This is a table of type bigram and their frequencies. Use it to search & browse the list to learn more about your study carrel.
bigram | frequency |
---|---|
specific character | 327 |
generic character | 325 |
distinct species | 109 |
natural selection | 99 |
changed conditions | 89 |
close interbreeding | 83 |
well known | 76 |
domesticated animals | 72 |
grows wild | 68 |
west indies | 65 |
cultivated plants | 57 |
several parts | 55 |
natural species | 48 |
double flowers | 47 |
certain extent | 47 |
per acre | 46 |
south america | 45 |
north america | 45 |
informs us | 44 |
zoological gardens | 42 |
yellow colour | 41 |
east indies | 40 |
unconscious selection | 38 |
organic beings | 38 |
much used | 38 |
reproductive organs | 37 |
domestic races | 37 |
hexandria monogynia | 37 |
every one | 37 |
closely allied | 36 |
many years | 36 |
feet high | 36 |
two species | 36 |
different kinds | 35 |
green colour | 35 |
see also | 34 |
years old | 34 |
pentandria monogynia | 34 |
many cases | 33 |
homologous parts | 33 |
widely different | 31 |
new characters | 31 |
present species | 31 |
first introduced | 31 |
royal garden | 30 |
sexual elements | 30 |
will grow | 30 |
hortus kewensis | 29 |
sometimes used | 29 |
white flowers | 29 |
open border | 28 |
almost every | 28 |
one species | 28 |
red colour | 27 |
sexual characters | 27 |
every part | 26 |
many generations | 26 |
several varieties | 26 |
hardy perennial | 26 |
present plant | 26 |
different parts | 26 |
bushels per | 26 |
certain characters | 26 |
grows spontaneously | 26 |
shaped leaves | 26 |
reproductive system | 25 |
three feet | 25 |
much cultivated | 25 |
readily propagated | 25 |
open ground | 25 |
years ago | 25 |
large number | 24 |
distinct races | 24 |
various parts | 24 |
foliis lanceolatis | 24 |
two feet | 23 |
gemmules derived | 23 |
wild animals | 23 |
male element | 23 |
peloric flowers | 23 |
secondary sexual | 23 |
syngenesia polygamia | 23 |
diadelphia decandria | 23 |
shall see | 22 |
two distinct | 22 |
slight changes | 22 |
various kinds | 22 |
geoffroy st | 22 |
somewhat oval | 22 |
good hope | 22 |
many parts | 22 |
two varieties | 22 |
one instance | 22 |
definite action | 22 |
direct action | 22 |
southern parts | 21 |
two kinds | 21 |
crossed offspring | 21 |
swiss lake | 21 |
allied species | 21 |
somewhat resembling | 20 |
analogous facts | 20 |
evil effects | 20 |
successive generations | 20 |
northern parts | 20 |
readily increased | 20 |
several kinds | 20 |
triandria monogynia | 20 |
much less | 20 |
many plants | 20 |
plants contained | 20 |
usually propagated | 20 |
de la | 19 |
may infer | 19 |
may conclude | 19 |
one sex | 19 |
natural conditions | 19 |
poultry book | 19 |
long since | 19 |
present day | 19 |
large size | 19 |
niata cattle | 19 |
may also | 19 |
one part | 19 |
curious case | 19 |
isidore geoffroy | 19 |
greenhouse plant | 19 |
brown colour | 19 |
three years | 19 |
wild state | 19 |
three generations | 19 |
new varieties | 19 |
crossed plants | 18 |
corresponding periods | 18 |
alphabetically arranged | 18 |
several generations | 18 |
gallus bankiva | 18 |
several years | 18 |
lost characters | 18 |
several species | 18 |
domestic animals | 18 |
almost invariably | 18 |
methodical selection | 18 |
bred animals | 18 |
sometimes employed | 18 |
domestic productions | 18 |
alpine plants | 18 |
west indian | 17 |
continued selection | 17 |
run wild | 17 |
much esteemed | 17 |
purple colour | 17 |
one side | 17 |
higher animals | 17 |
will thrive | 17 |
trimorphic plants | 17 |
many varieties | 17 |
greater number | 17 |
without injury | 17 |
future chapter | 17 |
somewhat similar | 17 |
polish fowls | 16 |
two hundred | 16 |
differ much | 16 |
early period | 16 |
open air | 16 |
upper part | 16 |
two inches | 16 |
perfectly fertile | 16 |
shall presently | 16 |
bed frame | 16 |
des sc | 16 |
prosper lucas | 16 |
found wild | 16 |
plant may | 16 |
falkland islands | 16 |
many animals | 16 |
native country | 16 |
certain diseases | 16 |
careful selection | 16 |
easily propagated | 16 |
house plant | 16 |
wild cattle | 16 |
domesticated productions | 16 |
white colour | 16 |
almost wholly | 16 |
whole body | 15 |
several times | 15 |
hot climates | 15 |
white variety | 15 |
increased use | 15 |
caule fruticoso | 15 |
good effects | 15 |
supernumerary digits | 15 |
unnatural conditions | 15 |
many kinds | 15 |
one year | 15 |
various breeds | 15 |
one variety | 15 |
octandria monogynia | 15 |
one case | 15 |
slight differences | 15 |
either parent | 15 |
analogous cases | 15 |
well adapted | 15 |
four feet | 15 |
herbaceous plant | 15 |
one hundred | 15 |
may add | 15 |
winged leaves | 15 |
whole plant | 14 |
analogous variation | 14 |
young shoots | 14 |
somewhat like | 14 |
certain varieties | 14 |
one parent | 14 |
domestic breeds | 14 |
crossed races | 14 |
various ways | 14 |
foliis ensiformibus | 14 |
three weeks | 14 |
external conditions | 14 |
individual differences | 14 |
six inches | 14 |
young plants | 14 |
foreign pollen | 14 |
another species | 14 |
domestic varieties | 14 |
foliis ovatis | 14 |
plants raised | 14 |
increased fertility | 14 |
produced young | 14 |
succeeds best | 14 |
crossed species | 14 |
summer months | 14 |
rudimentary organs | 14 |
every year | 14 |
de candolle | 14 |
caule erecto | 14 |
higher degree | 14 |
essential oil | 14 |
variegated leaves | 14 |
united states | 14 |
latter case | 14 |
polygamia superflua | 13 |
flowering stem | 13 |
many instances | 13 |
great number | 13 |
six feet | 13 |
distinct plant | 13 |
several cases | 13 |
increased size | 13 |
new conditions | 13 |
short time | 13 |
polyandria polygynia | 13 |
first sight | 13 |
first generation | 13 |
grows naturally | 13 |
didynamia angiospermia | 13 |
female organs | 13 |
common progenitor | 13 |
first appears | 13 |
latent characters | 13 |
great extent | 13 |
rd series | 13 |
similarly affected | 13 |
almost always | 13 |
culinary purposes | 13 |
potato crop | 13 |
distinct breeds | 13 |
four inches | 13 |
many persons | 13 |
different climates | 13 |
close relation | 13 |
one knows | 13 |
improved breeds | 13 |
feral rabbits | 13 |
will flower | 13 |
certain plants | 12 |
botanic garden | 12 |
orange colour | 12 |
presently see | 12 |
many others | 12 |
crossed varieties | 12 |
early goodrich | 12 |
different conditions | 12 |
foliis linearibus | 12 |
one form | 12 |
considerable quantity | 12 |
coloured flowers | 12 |
double monsters | 12 |
archives du | 12 |
constitutional vigour | 12 |
specific characters | 12 |
des anomalies | 12 |
black colour | 12 |
already figured | 12 |
characters derived | 12 |
greatly modified | 12 |
may perhaps | 12 |
distinct individuals | 12 |
small quantity | 12 |
bright red | 12 |
coloured varieties | 12 |
will give | 12 |
sometimes even | 12 |
herbert spencer | 12 |
great care | 12 |
sterile hybrids | 12 |
loamy soil | 12 |
foreign plants | 12 |
yellowish colour | 12 |
continued close | 12 |
corolla campanulata | 12 |
bog earth | 12 |
great length | 12 |
plants will | 12 |
many species | 12 |
different breeds | 12 |
two forms | 12 |
three times | 12 |
two years | 12 |
two plants | 12 |
flowering stems | 12 |
another case | 12 |
several breeds | 11 |
become developed | 11 |
vast number | 11 |
earlier chapters | 11 |
shall hereafter | 11 |
additional digits | 11 |
similar cases | 11 |
blue colour | 11 |
may feel | 11 |
oval leaves | 11 |
latent tendency | 11 |
late years | 11 |
andrew knight | 11 |
five feet | 11 |
formerly much | 11 |
different species | 11 |
certain breeds | 11 |
latin names | 11 |
rich soil | 11 |
four years | 11 |
hundred years | 11 |
inner bark | 11 |
dry soil | 11 |
somewhat resembles | 11 |
illustration illustration | 11 |
great abundance | 11 |
three species | 11 |
foliis lineari | 11 |
general rule | 11 |
boiling water | 11 |
la plata | 11 |
great advantage | 11 |
pollen taken | 11 |
wild plants | 11 |
north american | 11 |
plants may | 11 |
professor jacquin | 11 |
must believe | 11 |
mutual affinity | 11 |
generally cultivated | 11 |
twenty years | 11 |
male characters | 11 |
peruvian bark | 11 |
following cases | 11 |
facts given | 11 |
flowers appear | 11 |
inches deep | 11 |
twenty feet | 11 |
great britain | 11 |
civilised people | 11 |
present subject | 11 |
five inches | 11 |
new breed | 11 |
feral pigs | 11 |
first brought | 11 |
little doubt | 11 |
eaten raw | 11 |
correlated variability | 11 |
will continue | 11 |
considerable extent | 11 |
page chapter | 11 |
correlated variation | 11 |
ornamental plant | 10 |
yellow flowers | 10 |
last chapter | 10 |
repeated crosses | 10 |
pure white | 10 |
eminently liable | 10 |
great degree | 10 |
distinct individual | 10 |
common hot | 10 |
much better | 10 |
humble growth | 10 |
plant grows | 10 |
botanical magazine | 10 |
early age | 10 |
much larger | 10 |
frequently used | 10 |
corresponding parts | 10 |
mutually sterile | 10 |
much greater | 10 |
trivial name | 10 |
foregoing cases | 10 |
certain parts | 10 |
certain cases | 10 |
seedless fruit | 10 |
highly variable | 10 |
plants growing | 10 |
scientifically acquainted | 10 |
indian islands | 10 |
holds good | 10 |
induce variability | 10 |
different varieties | 10 |
various authors | 10 |
highly improved | 10 |
changed habits | 10 |
surrounding conditions | 10 |
also sometimes | 10 |
perfect seeds | 10 |
petalis alternis | 10 |
principal use | 10 |
severe frosts | 10 |
strong tendency | 10 |
become scientifically | 10 |
will succeed | 10 |
early part | 10 |
hybrid plants | 10 |
foliis oblongis | 10 |
early development | 10 |
reciprocal crosses | 10 |
well shown | 10 |
high price | 10 |
analogous case | 10 |
certain degree | 10 |
two parent | 10 |
indian rubber | 10 |
long time | 10 |
former chapter | 10 |
garden displayed | 10 |
wild species | 10 |
stigmata petaliformia | 10 |
pure parent | 10 |
wild ducks | 10 |
less sterile | 10 |
aiton informs | 10 |
flora londinensis | 10 |
la soc | 10 |
der natur | 10 |
occasionally used | 10 |
cytisus adami | 10 |
strongly inherited | 10 |
foliis ternatis | 10 |
hardy herbaceous | 10 |
important part | 10 |
old age | 10 |
per annum | 9 |
himalayan rabbit | 9 |
white wine | 9 |
foliis ovato | 9 |
porto santo | 9 |
greater degree | 9 |
old botanists | 9 |
dried juice | 9 |
new variety | 9 |
best mode | 9 |
highly cultivated | 9 |
botanic gardens | 9 |
colorado potato | 9 |
intermittent fevers | 9 |
moderately moist | 9 |
natural colours | 9 |
sur les | 9 |
almost certainly | 9 |
known plant | 9 |
sir joseph | 9 |
differently coloured | 9 |
long ago | 9 |
introrsum barbata | 9 |
large quantities | 9 |
striped legs | 9 |
similar facts | 9 |
large extent | 9 |
shaped flowers | 9 |
accurately represented | 9 |
narcissus medio | 9 |
english names | 9 |
dried leaves | 9 |
diminished fertility | 9 |
crossed breeds | 9 |
will produce | 9 |
striped young | 9 |
annual plant | 9 |
situation moderately | 9 |
five generations | 9 |
flore pleno | 9 |
lower jaw | 9 |
wild duck | 9 |
distinct genus | 9 |
less degree | 9 |
like manner | 9 |
first appearance | 9 |
monadelphia heptandria | 9 |
strongly marked | 9 |
lessened fertility | 9 |
lower animals | 9 |
advantageously employed | 9 |
bright green | 9 |
opposite sides | 9 |
will sometimes | 9 |
considerable quantities | 9 |
dark colour | 9 |
principal booksellers | 9 |
william curtis | 9 |
part ii | 9 |
work intended | 9 |
good reason | 9 |
east india | 9 |
six weeks | 9 |
also used | 9 |
nd series | 9 |
will appear | 9 |
english gardens | 9 |
drooping ears | 9 |
exciting cause | 9 |
small pot | 9 |
ripe seeds | 9 |
illegitimate unions | 9 |
polish fowl | 9 |
approved methods | 9 |
rostra spiralia | 9 |
numerous varieties | 9 |
pedunculis unifloris | 9 |
usually sown | 9 |
will become | 9 |
culinary preparations | 9 |
two sexes | 9 |
new races | 9 |
great difference | 9 |
free crossing | 9 |
passiflora alata | 9 |
short duration | 9 |
lacinia suprema | 9 |
deep red | 9 |
sometimes made | 9 |
two ounces | 9 |
green crops | 9 |
foliis cordatis | 9 |
produce seed | 9 |
inches long | 9 |
sexual reproduction | 9 |
pale yellow | 9 |
skull figured | 9 |
stamina intra | 9 |
individual animal | 9 |
feral animals | 9 |
useful purposes | 9 |
will soon | 9 |
pure air | 9 |
opposite sex | 9 |
ornamental foreign | 9 |
south africa | 9 |
second year | 8 |
scarcely possible | 8 |
green leaves | 8 |
left sides | 8 |
ardent spirit | 8 |
perfectly dry | 8 |
north border | 8 |
much smaller | 8 |
great change | 8 |
full grown | 8 |
usual mode | 8 |
seven years | 8 |
morbid tendencies | 8 |
favourable seasons | 8 |
leaves growing | 8 |
south american | 8 |
whence obtained | 8 |
extreme degree | 8 |
will probably | 8 |
upper surface | 8 |
may become | 8 |
greatly changed | 8 |
wild boar | 8 |
specific description | 8 |
highly ornamental | 8 |
second time | 8 |
almost like | 8 |
many times | 8 |
grow wild | 8 |
also made | 8 |
intra nectarium | 8 |
blue eyes | 8 |
egyptian goose | 8 |
new york | 8 |
will bear | 8 |
greenhouse plants | 8 |
closely related | 8 |
differ greatly | 8 |
every kind | 8 |
hyacinthus racemosus | 8 |
never seen | 8 |
poor soil | 8 |
small portion | 8 |
takes place | 8 |
receptaculo inserta | 8 |
proper character | 8 |
purple flowers | 8 |
constitutional peculiarities | 8 |
hereditary diseases | 8 |
artificial heat | 8 |
modern introduction | 8 |
first year | 8 |
nectario infundibuliformi | 8 |
may easily | 8 |
much inferior | 8 |
spatha uniflora | 8 |
first cultivated | 8 |
long cultivated | 8 |
gallinaceous birds | 8 |
latter end | 8 |
two parents | 8 |
several plants | 8 |
different periods | 8 |
nisus formativus | 8 |
evil results | 8 |
mutual sterility | 8 |
yield pounds | 8 |
fully developed | 8 |
oncidium flexuosum | 8 |
hybrid offspring | 8 |
dormant gemmules | 8 |
stove plant | 8 |
slightly modified | 8 |
grow readily | 8 |
vary together | 8 |
natural history | 8 |
three inches | 8 |
aromatic smell | 8 |
extremely slight | 8 |
merino sheep | 8 |
great quantities | 8 |
evergreen shrub | 8 |
hornless breeds | 8 |
lathyrus odoratus | 8 |
will also | 8 |
th edition | 8 |
become feral | 8 |
decandria pentagynia | 8 |
considerable number | 8 |
every garden | 8 |
long series | 8 |
small white | 8 |
wild pigs | 8 |
generally known | 8 |
unpleasant smell | 8 |
young pigs | 8 |
sexual generation | 8 |
animal kingdom | 8 |
will now | 8 |
foliis quaternis | 8 |
rich purple | 8 |
early embryonic | 8 |
become modified | 8 |
uniform conditions | 8 |
gentle hot | 8 |
humped cattle | 8 |
fantail pigeons | 8 |
let us | 8 |
two races | 8 |
grows readily | 8 |
little value | 8 |
distinct varieties | 8 |
little inferior | 8 |
full size | 8 |
sulphuric acid | 8 |
striking cases | 8 |
originally imported | 8 |
fully fertile | 8 |
two months | 8 |
new character | 8 |
fissiparous generation | 8 |
extreme point | 8 |
almost exclusively | 8 |
tumbler pigeon | 8 |
extremely well | 8 |
new ones | 8 |
general sterility | 8 |
shall immediately | 8 |
considerable time | 8 |
many facts | 8 |
exotic plants | 8 |
two breeds | 8 |
severe frost | 8 |
whole organisation | 8 |
moist soil | 8 |
single seed | 8 |
every single | 8 |
long intervals | 8 |
natural state | 8 |
pappus simplex | 8 |
della riproduzione | 8 |
forty feet | 8 |
somewhat different | 8 |
either sex | 8 |
cases given | 8 |
first appeared | 8 |
now become | 8 |
warm climates | 8 |
british plant | 8 |
yellow variety | 8 |
cellular tissue | 7 |
royal agricult | 7 |
eight years | 7 |
great quantity | 7 |
red wine | 7 |
reddish colour | 7 |
meadow grass | 7 |
three days | 7 |
alternis geniculato | 7 |
du paraguay | 7 |
ancient egyptian | 7 |
dried state | 7 |
eleventh chapter | 7 |
two flowers | 7 |
alternate generation | 7 |
gallus sonneratii | 7 |
much earlier | 7 |
almost universal | 7 |
high degree | 7 |
propagated either | 7 |
excellent quality | 7 |
filamenta receptaculo | 7 |
growing wild | 7 |
cross freely | 7 |
small pieces | 7 |
one flower | 7 |
feet long | 7 |
sun shines | 7 |
sex alone | 7 |
sixty years | 7 |
ranunculus ficaria | 7 |
see mr | 7 |
nearly every | 7 |
ripe fruit | 7 |
aboriginal species | 7 |
shady situation | 7 |
hornless cattle | 7 |
three plants | 7 |
either pure | 7 |
differs much | 7 |
fancy pigeons | 7 |
foreign medico | 7 |
remote epoch | 7 |
never produced | 7 |
canary islands | 7 |
allied natural | 7 |
ensuing summer | 7 |
much difficulty | 7 |
greatly increased | 7 |
formerly used | 7 |
small black | 7 |
chiefly employed | 7 |
eight feet | 7 |
will always | 7 |
fully discussed | 7 |
seven generations | 7 |
general appearance | 7 |
monadelphia decandria | 7 |
feral fowls | 7 |
vegetable kingdom | 7 |
late dr | 7 |
remarkable circumstance | 7 |
every character | 7 |
great celebrity | 7 |
kitchen gardens | 7 |
garnet chili | 7 |
breed freely | 7 |
rarely ripens | 7 |
bos longifrons | 7 |
may safely | 7 |
become double | 7 |
different races | 7 |
early rose | 7 |
much unlike | 7 |
chiefly used | 7 |
good seed | 7 |
existing cells | 7 |
east indian | 7 |
pacific islands | 7 |
free intercrossing | 7 |
advancing age | 7 |
neolithic period | 7 |
deserves notice | 7 |
great caution | 7 |
also seen | 7 |
chiefly imported | 7 |
different colours | 7 |
animals kept | 7 |
fertilised germ | 7 |
seed vessels | 7 |
already seen | 7 |
yield seed | 7 |
northern states | 7 |
leaved variety | 7 |
without difficulty | 7 |
feral cattle | 7 |
wild cats | 7 |
sheltered situation | 7 |
latter cases | 7 |
useful plants | 7 |
peculiar form | 7 |
seedling plants | 7 |
american varieties | 7 |
decandria monogynia | 7 |
poor people | 7 |
pointed leaves | 7 |
last century | 7 |
floribus racemosis | 7 |
particular variation | 7 |
another part | 7 |
known species | 7 |
see dr | 7 |
english race | 7 |
outer toes | 7 |
utterly sterile | 7 |
equal quantity | 7 |
dry weather | 7 |
slight degree | 7 |
plants propagated | 7 |
bitter taste | 7 |
several members | 7 |
fescue grass | 7 |
several feet | 7 |
constitutional differences | 7 |
decandria digynia | 7 |
first place | 7 |
external characters | 7 |
widely distinct | 7 |
corolla infundibuliformis | 7 |
distilled water | 7 |
selection practised | 7 |
spanish cock | 7 |
whole subject | 7 |
zur kenntniss | 7 |
tubulum capillarem | 7 |
joseph banks | 7 |
nearly similar | 7 |
purely bred | 7 |
civilised countries | 7 |
following case | 7 |
tetradynamia siliculosa | 7 |
another variety | 7 |
vegetable productions | 7 |
absolutely necessary | 7 |
near london | 7 |
particular character | 7 |
long course | 7 |
become extinct | 7 |
four hours | 7 |
masculine characters | 7 |
additional digit | 7 |
domesticated birds | 7 |
sexual limitation | 7 |
wild dogs | 7 |
distinct plants | 7 |
flora austriaca | 7 |
close together | 7 |
ordinary cases | 7 |
best time | 7 |
slightly different | 7 |
one half | 7 |
near town | 7 |
doubtful whether | 7 |
first part | 7 |
two outer | 7 |
flower garden | 7 |
slow fire | 7 |
whole structure | 7 |
years since | 7 |
unfavourable conditions | 7 |
per cent | 7 |
fuchsia coccinea | 7 |
domestic fowl | 7 |
degree sterile | 7 |
closely resemble | 7 |
succeed best | 7 |
similar manner | 7 |
severe weather | 7 |
wild parent | 7 |
excessive development | 7 |
rarely exceeding | 7 |
know whether | 7 |
following spring | 7 |
hardy greenhouse | 7 |
pedunculum decurrentem | 7 |
hundred weight | 7 |
perfectly distinct | 7 |
consanguineous marriages | 6 |
weeping ash | 6 |
one race | 6 |
large numbers | 6 |
best plants | 6 |
produce fruit | 6 |
somewhat triangular | 6 |
recent state | 6 |
suprema definente | 6 |
relative position | 6 |
former period | 6 |
highly deserving | 6 |
two embryos | 6 |
ready growth | 6 |
dorking fowls | 6 |
flesh white | 6 |
magno flore | 6 |
two pounds | 6 |
bread fruit | 6 |
may even | 6 |
extremely remote | 6 |
sufficient evidence | 6 |
great difficulty | 6 |
single plant | 6 |
various degrees | 6 |
common plant | 6 |
hemerocallis fulva | 6 |
young wild | 6 |
des plantes | 6 |
domestic cats | 6 |
chelsea garden | 6 |
leicester sheep | 6 |
accumulative action | 6 |
become attached | 6 |
tubi inserta | 6 |
seven feet | 6 |
recent times | 6 |
occasionally employed | 6 |
yields pounds | 6 |
individual animals | 6 |
circumstances favourable | 6 |
found useful | 6 |
various domestic | 6 |
fertilised plants | 6 |
miller observes | 6 |
early domestication | 6 |
nut tree | 6 |
socotrine aloes | 6 |
three forms | 6 |
will take | 6 |
single point | 6 |
five years | 6 |
highly probable | 6 |
disagreeable smell | 6 |
almond tumbler | 6 |
five petals | 6 |
great measure | 6 |
native plants | 6 |
sebright bantam | 6 |
specifically distinct | 6 |
mountainous parts | 6 |
never known | 6 |
general law | 6 |
living creature | 6 |
inferior kind | 6 |
generally found | 6 |
long period | 6 |
sometimes become | 6 |
single species | 6 |
considerable height | 6 |
reddish brown | 6 |
trumpeter pigeon | 6 |
medio purpureus | 6 |
early maturity | 6 |
soon becomes | 6 |
roots may | 6 |
many individuals | 6 |
musk duck | 6 |
helleborus niger | 6 |
one kind | 6 |
foliis lanceolato | 6 |
useful animals | 6 |
greatest part | 6 |
hereditary peculiarities | 6 |
fourth generation | 6 |
winter wheat | 6 |
polygamia frustranea | 6 |
rare cases | 6 |
nearly related | 6 |
will admit | 6 |
domestic economy | 6 |
european dogs | 6 |
often used | 6 |
care must | 6 |
filamenta fauci | 6 |
analogous manner | 6 |
perfectly ripe | 6 |
three hundred | 6 |
first cross | 6 |
numerous flowers | 6 |
ancient period | 6 |
feral pigeons | 6 |
hot countries | 6 |
cold water | 6 |
flower early | 6 |
long continued | 6 |
foliis oppositis | 6 |
faced tumbler | 6 |
milky juice | 6 |
one sense | 6 |
le couteur | 6 |
never heard | 6 |
reciprocally dimorphic | 6 |
highly esteemed | 6 |
every respect | 6 |
certain races | 6 |
lower part | 6 |
sandal wood | 6 |
many ages | 6 |
shaped fruit | 6 |
hundred pounds | 6 |
three kinds | 6 |
previously remarked | 6 |
girou de | 6 |
often kept | 6 |
two lots | 6 |
striking instance | 6 |
polyandria monogynia | 6 |
usual way | 6 |
often transmitted | 6 |
flowering plants | 6 |
will yield | 6 |
made many | 6 |
domestic duck | 6 |
common practice | 6 |
one alone | 6 |
miller informs | 6 |
columba livia | 6 |
rotten leaves | 6 |
bos frontosus | 6 |
occasionally appear | 6 |
following account | 6 |
produce flowers | 6 |
diandria monogynia | 6 |
different countries | 6 |
max wichura | 6 |
kept distinct | 6 |
little distance | 6 |
hundred bushels | 6 |
upper side | 6 |
long kept | 6 |
newfoundland dog | 6 |
certain portion | 6 |
beautiful species | 6 |
pounds per | 6 |
species may | 6 |
first step | 6 |
hereditary disease | 6 |
tender leaves | 6 |
considerable size | 6 |
similar conditions | 6 |
almost sure | 6 |
didynamia gymnospermia | 6 |
great size | 6 |
probably due | 6 |
desirable plant | 6 |
nutritive food | 6 |
double daisy | 6 |
see something | 6 |
remarkable case | 6 |
principally used | 6 |
illegitimate plants | 6 |
connected together | 6 |
feral horses | 6 |
general fertility | 6 |
much disposed | 6 |
monadelphia polyandria | 6 |
produced flowers | 6 |
originally introduced | 6 |
dracocephalum virginianum | 6 |
thrown away | 6 |
nux vomica | 6 |
native land | 6 |
present state | 6 |
new species | 6 |
bad breeders | 6 |
several instances | 6 |
white blossoms | 6 |
every case | 6 |
vegetable production | 6 |
whilst others | 6 |
severe seasons | 6 |
far less | 6 |
doubted whether | 6 |
antirrhinum majus | 6 |
occasional cross | 6 |
gum arabic | 6 |
light earth | 6 |
mirabilis jalapa | 6 |
various causes | 6 |
first appear | 6 |
following chapter | 6 |
will never | 6 |
eastern countries | 6 |
usually kept | 6 |
continued variability | 6 |
good derived | 6 |
labio superiore | 6 |
pale red | 6 |
whilst living | 6 |
various organs | 6 |
proportione vel | 6 |
great luxuriance | 6 |
best adapted | 6 |
remarkable fact | 6 |
new genus | 6 |
domestic animal | 6 |
various species | 6 |
ancon sheep | 6 |
small size | 6 |
billed duck | 6 |
two principal | 6 |
house plants | 6 |
certain conditions | 6 |
vel directione | 6 |
oval shape | 6 |
inches high | 6 |
old races | 6 |
great principle | 6 |
icosandria polygynia | 6 |
three months | 6 |
secus pedunculum | 6 |
also found | 6 |
generally considered | 6 |
fauci tubi | 6 |
ninth chapter | 6 |
warm situation | 6 |
noxious insects | 6 |
physiological units | 6 |
one hand | 6 |
care taken | 6 |
moderate hot | 6 |
good qualities | 6 |
great numbers | 6 |
hardy plant | 6 |
bronze period | 6 |
seriously affected | 6 |
common form | 6 |
foregoing facts | 6 |
umbelliferous plant | 6 |
elective affinity | 6 |
one eye | 6 |
light sandy | 6 |
characters proper | 6 |
third chapter | 6 |
horned cattle | 5 |
large enough | 5 |
using scans | 5 |
much valued | 5 |
good seeds | 5 |
eight flowers | 5 |
pinus sylvestris | 5 |
will tend | 5 |
directly opposite | 5 |
lie latent | 5 |
much request | 5 |
within recent | 5 |
analogous variations | 5 |
slight individual | 5 |
used instead | 5 |
small ones | 5 |
fructus rostratus | 5 |
verbena aubletia | 5 |
little longer | 5 |
numerous experiments | 5 |
days earlier | 5 |
far greater | 5 |
creeping roots | 5 |
die eigenschaften | 5 |
diversified conditions | 5 |
probable view | 5 |
domestic ass | 5 |
white pigs | 5 |
full fertility | 5 |
elegant species | 5 |
four pounds | 5 |
will occasionally | 5 |
gentle heat | 5 |
frequently made | 5 |
called oil | 5 |
commonly cultivated | 5 |
common people | 5 |
common treatment | 5 |
raii suppl | 5 |
senecio elegans | 5 |
miller recommends | 5 |
time immemorial | 5 |
carefully attended | 5 |
wholly due | 5 |
linum arboreum | 5 |
flowers early | 5 |
open borders | 5 |
dark green | 5 |
unnatural treatment | 5 |
may probably | 5 |
strongly recommended | 5 |
greater vigour | 5 |
female side | 5 |
best known | 5 |
feel assured | 5 |
corresponding age | 5 |
twelfth chapter | 5 |
important principle | 5 |
common green | 5 |
two sets | 5 |
individual plants | 5 |
asinus indicus | 5 |
tender annuals | 5 |
marked effect | 5 |
become peloric | 5 |
seeds ripen | 5 |
petala unguiculata | 5 |
stable manure | 5 |
become rudimentary | 5 |
secondary characters | 5 |
now see | 5 |
hydrangea arborescens | 5 |
earlier age | 5 |
three successive | 5 |
two different | 5 |
four hundred | 5 |
organised matter | 5 |
file made | 5 |
sandy loam | 5 |
crossed pigeons | 5 |
somewhat egg | 5 |
many respects | 5 |
rendered sterile | 5 |
different breeders | 5 |
distinct forms | 5 |
immediately see | 5 |
tailed sheep | 5 |
four generations | 5 |
corresponding period | 5 |
remote progenitor | 5 |
jardin des | 5 |
cayenne pepper | 5 |
closely analogous | 5 |
fit state | 5 |
valery apple | 5 |
low growth | 5 |
pungent taste | 5 |
peculiarly adapted | 5 |
succeed well | 5 |
winter food | 5 |
incipient sterility | 5 |
give one | 5 |
foliis ternis | 5 |
incisor teeth | 5 |
older botanists | 5 |
de jonghe | 5 |
formative matter | 5 |
especially liable | 5 |
great portion | 5 |
previously given | 5 |
corolla rotata | 5 |
leaves grow | 5 |
nearly uniform | 5 |
last chapters | 5 |
many similar | 5 |
distinct powers | 5 |
different plant | 5 |
abundant evidence | 5 |
highly valued | 5 |
crocus vernus | 5 |
one single | 5 |
characteristic features | 5 |
properly fermented | 5 |
male sex | 5 |
campanula carpatica | 5 |
better adapted | 5 |
numerous small | 5 |
convolvulus cneorum | 5 |
perfectly well | 5 |
primary cause | 5 |
three varieties | 5 |
yellow varieties | 5 |
earlier period | 5 |
celsia linearis | 5 |
part due | 5 |
loculis dispermis | 5 |
hairy family | 5 |
reseda odorata | 5 |
excellent observer | 5 |
evil follows | 5 |
old inhabitant | 5 |
first unions | 5 |
must suppose | 5 |
amaryllis vittata | 5 |
though many | 5 |
selection will | 5 |
laws governing | 5 |
basis deorsum | 5 |
dark purple | 5 |
succeeding generations | 5 |
domestic cat | 5 |
dormant state | 5 |
cleared away | 5 |
least one | 5 |
yellowish green | 5 |
monarda fistulosa | 5 |
dianthus barbatus | 5 |
common fowl | 5 |
tetrandria monogynia | 5 |
systema vegetabilium | 5 |
highly remarkable | 5 |
inches asunder | 5 |
bred several | 5 |
ten days | 5 |
certain age | 5 |
fully expanded | 5 |
continued disuse | 5 |
characters may | 5 |
early flowering | 5 |
fifteen years | 5 |
woollen cloth | 5 |
distinct families | 5 |
styled form | 5 |
female sexual | 5 |
subsequent progeny | 5 |
common garden | 5 |
erica physodes | 5 |
many flowers | 5 |
much branched | 5 |
second species | 5 |
domestic pigeons | 5 |
english name | 5 |
cause variability | 5 |
great request | 5 |
early cultivation | 5 |
time afterwards | 5 |
pleasing appearance | 5 |
though perfectly | 5 |
convolvulus tricolor | 5 |
singular form | 5 |
generally adopted | 5 |
present one | 5 |
sometimes prepared | 5 |
never produce | 5 |
long succession | 5 |
serve warm | 5 |
part may | 5 |
organic units | 5 |
sedum populifolium | 5 |
young trees | 5 |
six flowers | 5 |
sexual constitution | 5 |
flore albo | 5 |
trifling characters | 5 |
uniform character | 5 |
long duration | 5 |
taken internally | 5 |
commonly called | 5 |
great benefit | 5 |
perfect beetle | 5 |
mild winter | 5 |
white cats | 5 |
certain forms | 5 |
convolvulus purpureus | 5 |
retrogressive metamorphosis | 5 |
valuable remedy | 5 |
become perfectly | 5 |
monstrous growths | 5 |
fine yellow | 5 |
certain species | 5 |
important subject | 5 |
corollis campanulatis | 5 |
cashew nut | 5 |
coloured horses | 5 |
dry situation | 5 |
white varieties | 5 |
adjoining parts | 5 |
domestic fowls | 5 |
general form | 5 |
another instance | 5 |
might easily | 5 |
whole length | 5 |
hypericum calycinum | 5 |
pale green | 5 |
inter se | 5 |
nearly equal | 5 |
admirably adapted | 5 |
final result | 5 |
early youth | 5 |
somewhat acid | 5 |
bos primigenius | 5 |
lately introduced | 5 |
distinct genera | 5 |
mesembryanthemum micans | 5 |
formerly given | 5 |
turning now | 5 |
shorthorn cattle | 5 |
cucurbita pepo | 5 |
sufficient quantity | 5 |
curious instance | 5 |
pots filled | 5 |
yellow dye | 5 |
sexual element | 5 |
great majority | 5 |
floral leaves | 5 |
abundant supply | 5 |
female element | 5 |
every day | 5 |
different forms | 5 |
single state | 5 |
taken away | 5 |
come forth | 5 |
rare plant | 5 |
made using | 5 |
five minutes | 5 |
petala numerosa | 5 |
creeping kind | 5 |
way connected | 5 |
white pigeons | 5 |
show us | 5 |
full bloom | 5 |
viola lutea | 5 |
domain works | 5 |
well established | 5 |
received seeds | 5 |
quite distinct | 5 |
usually increased | 5 |
must conclude | 5 |
marked races | 5 |
illustration pl | 5 |
dianthus superbus | 5 |
wild varieties | 5 |
proper number | 5 |
admirably co | 5 |
sheltered situations | 5 |
facts now | 5 |
feral cats | 5 |
dark brown | 5 |
leaves also | 5 |
lesser degree | 5 |
gynandria diandria | 5 |
agricultural plants | 5 |
foliis obovatis | 5 |
bitter almonds | 5 |
numerous plants | 5 |
various facts | 5 |
winter season | 5 |
greenish yellow | 5 |
harvest commences | 5 |
thirteenth chapter | 5 |
much employed | 5 |
high authority | 5 |
every description | 5 |
capparis spinosa | 5 |
will make | 5 |
mechanical pressure | 5 |
somewhat resemble | 5 |
sexual incompatibility | 5 |
forty years | 5 |
foreign blood | 5 |
cultivated varieties | 5 |
ten feet | 5 |
sweetish taste | 5 |
geranium reichardi | 5 |
may appear | 5 |
lanceolatis serratis | 5 |
wholesome food | 5 |
normal form | 5 |
perfectly developed | 5 |
two sides | 5 |
highly injurious | 5 |
pedunculis bifloris | 5 |
caule arboreo | 5 |
greater part | 5 |
rare exceptions | 5 |
sweet almonds | 5 |
bright yellow | 5 |
egyptian monuments | 5 |
amaryllis atamasco | 5 |
successive modifications | 5 |
different individuals | 5 |
functional independence | 5 |
put two | 5 |
eighteen inches | 5 |
good authority | 5 |
though often | 5 |
white men | 5 |
frequent occurrence | 5 |
cultivated plant | 5 |
rarely breed | 5 |
former times | 5 |
grateful food | 5 |
floribus pedunculatis | 5 |
often fails | 5 |
tumbler pigeons | 5 |
every way | 5 |
perfect state | 5 |
excellent example | 5 |
produced hybrids | 5 |
three distinct | 5 |
icosandria pentagynia | 5 |
deorsum prominens | 5 |
ripe seed | 5 |
striking instances | 5 |
different districts | 5 |
nearly white | 5 |
physical conditions | 5 |
stephen couchman | 5 |
already given | 5 |
sexual peculiarities | 5 |
great profusion | 5 |
two following | 5 |
year report | 5 |
white cocoons | 5 |
two individuals | 5 |
two weeks | 5 |
high polish | 5 |
flowers will | 5 |
ornamental plants | 5 |
kept tame | 5 |
tree grows | 5 |
plants cultivated | 5 |
may possibly | 5 |
almost certain | 5 |
sore throats | 5 |
great amount | 5 |
contained within | 5 |
sweet pea | 5 |
lost parts | 5 |
several foregoing | 5 |
double white | 5 |
de iride | 5 |
lime rubbish | 5 |
particular period | 5 |
must attribute | 5 |
third species | 5 |
though latent | 5 |
acorus calamus | 5 |
receptaculum nudum | 5 |
grow old | 5 |
original stock | 5 |
whole tubers | 5 |
plentifully produced | 5 |
begonia frigida | 5 |
indian corn | 5 |
june th | 5 |
increased without | 5 |
hardly possible | 5 |
resemble one | 5 |
flowers grow | 5 |
hoofed pigs | 5 |
canna indica | 5 |
dry stove | 5 |
colouring matter | 5 |
tailless batrachians | 5 |
great perfection | 5 |
third generation | 5 |
various cases | 5 |
potatoes will | 5 |
public domain | 5 |
various animals | 5 |
secondary male | 5 |
rural sports | 5 |
particular manner | 5 |
three different | 5 |
now given | 5 |
easily affected | 5 |
perfectly tamed | 5 |
elegant plant | 5 |
another strain | 5 |
parent stock | 5 |
warmer parts | 5 |
tail grass | 5 |
animals will | 5 |
european cattle | 5 |
poultry chronicle | 5 |
fourth volume | 5 |
malay archipelago | 5 |
species will | 5 |
found capable | 5 |
mutual fertility | 4 |
la malle | 4 |
several races | 4 |
several children | 4 |
must admit | 4 |
great increase | 4 |
important element | 4 |
gourd shells | 4 |
faced tumblers | 4 |
potato disease | 4 |
pendulous habit | 4 |
species belonging | 4 |
one ounce | 4 |
paper may | 4 |
vernal grass | 4 |
allied genus | 4 |
genista linifolia | 4 |
feathered feet | 4 |
cotyledon orbiculata | 4 |
occasionally practised | 4 |
produced four | 4 |
adult animal | 4 |
tetradynamia siliquosa | 4 |
great variety | 4 |
odd one | 4 |
viola tricolor | 4 |
medio luteus | 4 |
aboriginal parent | 4 |
nectario campanulato | 4 |
unimportant characters | 4 |
wild rose | 4 |
ordinating power | 4 |
eaten either | 4 |
ancient times | 4 |
rarely met | 4 |
erica empetrifolia | 4 |
experiments made | 4 |
great affinity | 4 |
airy glass | 4 |
yielded seed | 4 |
antheris muticis | 4 |
winged state | 4 |
general considerations | 4 |
free life | 4 |
sea kale | 4 |
sierra leone | 4 |
four flowers | 4 |
excessive variability | 4 |
early progenitor | 4 |
slight variations | 4 |
conspicuously striped | 4 |
soldanella alpina | 4 |
half high | 4 |
pappus plumosus | 4 |
anciently cultivated | 4 |
medium height | 4 |
first green | 4 |
limodorum tuberosum | 4 |
lobelia surinamensis | 4 |
salvia aurea | 4 |
drug called | 4 |
newly introduced | 4 |
undiminished fertility | 4 |
considerable length | 4 |
corollis ovatis | 4 |
effect produced | 4 |
much increased | 4 |
jerusalem artichoke | 4 |
sus pliciceps | 4 |
dens canis | 4 |
remarkable manner | 4 |
denticulo notata | 4 |
hot weather | 4 |
saponaria ocymoides | 4 |
plant requires | 4 |
slight difference | 4 |
previously seen | 4 |
larus argentatus | 4 |
certain amount | 4 |
tendencies common | 4 |
culinary uses | 4 |
many new | 4 |
may occur | 4 |
fused together | 4 |
half grown | 4 |
scapis unifloris | 4 |
included within | 4 |
chemical compounds | 4 |
found efficacious | 4 |
four stamens | 4 |
four days | 4 |
though somewhat | 4 |
taking care | 4 |
great attention | 4 |
considerations opposed | 4 |
equal numbers | 4 |
proper state | 4 |
nd edit | 4 |
depends exclusively | 4 |
philippine islands | 4 |
cases may | 4 |
campanula grandiflora | 4 |
step towards | 4 |
completely barren | 4 |
thrives best | 4 |
various diseases | 4 |
sexual elective | 4 |
ancient domestication | 4 |
three leaves | 4 |
considerable importance | 4 |
occasionally reappears | 4 |
cirrhis diphyllis | 4 |
first crosses | 4 |
enormously productive | 4 |
two main | 4 |
silky feathers | 4 |
jasminum fruticans | 4 |
raw state | 4 |
varieties may | 4 |
egyptian dogs | 4 |
following chapters | 4 |
first male | 4 |
linaria vulgaris | 4 |
certain proportion | 4 |
silicula emarginata | 4 |
hind feet | 4 |
annually imported | 4 |
nearly intermediate | 4 |
principal varieties | 4 |
generally kept | 4 |
generally accompanied | 4 |
domestic goose | 4 |
less beautiful | 4 |
foliolis duobus | 4 |
three quarters | 4 |
several months | 4 |
azalea pontica | 4 |
inherited diseases | 4 |
foliis cuneiformibus | 4 |
deserves especial | 4 |
mental disposition | 4 |
different nature | 4 |
first subjected | 4 |
continued divergence | 4 |
rose campion | 4 |
eggs laid | 4 |
one character | 4 |
either normally | 4 |
melianthus minor | 4 |
interesting case | 4 |
closely resembles | 4 |
excellent food | 4 |
jasminum officinale | 4 |
latter respect | 4 |
classical period | 4 |
name imports | 4 |
helianthus multiflorus | 4 |
slightly reduced | 4 |
stylus planus | 4 |
domesticated varieties | 4 |
marked manner | 4 |
resinous substance | 4 |
mere coincidence | 4 |
jacobin pigeon | 4 |
good evidence | 4 |
one plant | 4 |
safely conclude | 4 |
hybridised gemmules | 4 |
sweet william | 4 |
without great | 4 |
beautiful yellow | 4 |
bear fruit | 4 |
another writer | 4 |
anemone sylvestris | 4 |
mesembryanthemum dolabriforme | 4 |
superne latior | 4 |
hybrids produced | 4 |
young branches | 4 |
rumpless fowls | 4 |
occasionally become | 4 |
large leaves | 4 |
supra villosus | 4 |
different constitution | 4 |
vary greatly | 4 |
beings occasionally | 4 |
improved races | 4 |
caule inermi | 4 |
slight change | 4 |
two men | 4 |
smaller size | 4 |
many centuries | 4 |
excellent paper | 4 |
seldom exceeds | 4 |
sir john | 4 |
ten inches | 4 |
prepotent force | 4 |
embryonic condition | 4 |
wide difference | 4 |
saccharine matter | 4 |
repeated trials | 4 |
two heads | 4 |
fully established | 4 |
suitable plant | 4 |
erica albens | 4 |
little finger | 4 |
hard shell | 4 |
papaver orientale | 4 |
receptaculo inferta | 4 |
rolled back | 4 |
either perfectly | 4 |
imberbis foliis | 4 |
twenty thousand | 4 |
seedless fruits | 4 |
now generally | 4 |
great improvement | 4 |
like many | 4 |
local diseases | 4 |
lathyrus tingitanus | 4 |
different plants | 4 |
osteological characters | 4 |
clematis integrifolia | 4 |
trimorphic species | 4 |
latin term | 4 |
generally introduced | 4 |
flore rubro | 4 |
labium superius | 4 |
doubts whether | 4 |
rectified spirit | 4 |
distinctly separated | 4 |
aboriginally distinct | 4 |
considerable portion | 4 |
will generally | 4 |
three lowermost | 4 |
peculiar character | 4 |
slight modifications | 4 |
may often | 4 |
gladiolus communis | 4 |
monstrous chickens | 4 |
cheiranthus maritimus | 4 |
parallel varieties | 4 |
white cattle | 4 |
chiefly found | 4 |
greatest amount | 4 |
producing numerous | 4 |
minutely describes | 4 |
annual meadow | 4 |
particularly attended | 4 |
just specified | 4 |
flowers fertilised | 4 |
one exception | 4 |
winter use | 4 |
dyeing drug | 4 |
completely lost | 4 |
flowers produced | 4 |
aromatic taste | 4 |
tagetes patula | 4 |
smaller ones | 4 |
datura stramonium | 4 |
continued interbreeding | 4 |
pleasant flavour | 4 |
certain animals | 4 |
scotch kail | 4 |
flesh colour | 4 |
plumbago rosea | 4 |
large scale | 4 |
direct cause | 4 |
ever afterwards | 4 |
hot water | 4 |
hind limbs | 4 |
also informs | 4 |
amaryllis lutea | 4 |
equally well | 4 |
south wales | 4 |
wild swine | 4 |
fan aloe | 4 |
striped flowers | 4 |
distinct variety | 4 |
persian gulf | 4 |
nine inches | 4 |
fine capsules | 4 |
sweet potato | 4 |
great changes | 4 |
aster alpinus | 4 |
miller describes | 4 |
certainly descended | 4 |
dried specimens | 4 |
puts forth | 4 |
great judge | 4 |
guinea fowl | 4 |
proper functions | 4 |
preceding chapters | 4 |
feral dogs | 4 |
large proportion | 4 |
cause may | 4 |
fifth toe | 4 |
cochineal insect | 4 |
american trees | 4 |
wild animal | 4 |
brassica rapa | 4 |
distinct form | 4 |
von paraguay | 4 |
may occasionally | 4 |
epilobium angustifolium | 4 |
first discovered | 4 |
fresh earth | 4 |
daughters alone | 4 |
shortly afterwards | 4 |
sitting varieties | 4 |
usually considered | 4 |
quite sterile | 4 |
latent state | 4 |
ten eggs | 4 |
species rarely | 4 |
interbreeding may | 4 |
breed readily | 4 |
unripe fruit | 4 |
will flourish | 4 |
cajeput oil | 4 |
bright orange | 4 |
usually called | 4 |
erinus alpinus | 4 |
now consider | 4 |
intermediate forms | 4 |
western states | 4 |
sometimes preserved | 4 |
suffer much | 4 |
distant parts | 4 |
different climate | 4 |
gladiolus watsonius | 4 |
ranunculus gramineus | 4 |
agreeable flavour | 4 |
ore patulo | 4 |
less variable | 4 |
shady border | 4 |
grow spontaneously | 4 |
rendered mutually | 4 |
probable origin | 4 |
frequently employed | 4 |
fertilised seeds | 4 |
english dogs | 4 |
parallel series | 4 |
highest importance | 4 |
whole series | 4 |
parkinson says | 4 |
crossing plants | 4 |
crossed animals | 4 |
table quality | 4 |
seminal reproduction | 4 |
hyacinthus botryoides | 4 |
sometimes occurs | 4 |
downy beneath | 4 |
certain primordial | 4 |
much increase | 4 |
single instance | 4 |
female flowers | 4 |
acquired characters | 4 |
rd edit | 4 |
easily raised | 4 |
warm aromatic | 4 |
frequently produced | 4 |
parent alone | 4 |
chironia baccifera | 4 |
impotent plants | 4 |
considerable utility | 4 |
bay tribe | 4 |
irregular flowers | 4 |
every plant | 4 |
suddenly appeared | 4 |
much admired | 4 |
often occur | 4 |
anciently domesticated | 4 |
fifteenth chapter | 4 |
highly peculiar | 4 |
latent capacity | 4 |
foliis radicalibus | 4 |
flowers usually | 4 |
eight capsules | 4 |
chiefly prepared | 4 |
inheritance continued | 4 |
rigorous selection | 4 |
little salt | 4 |
two cells | 4 |
ordinarily seedless | 4 |
much experience | 4 |
pale blue | 4 |
may well | 4 |
certain number | 4 |
fumaria solida | 4 |
fresh water | 4 |
properly belong | 4 |
lessened use | 4 |
antirrhinum triphyllum | 4 |
vegetable poisons | 4 |
stamina tubo | 4 |
floribus axillaribus | 4 |
whole family | 4 |
tropical countries | 4 |
peculiar state | 4 |
distinct cause | 4 |
among others | 4 |
dry place | 4 |
next process | 4 |
breed together | 4 |
fragrant odour | 4 |
minutely described | 4 |
large white | 4 |
valuable kind | 4 |
intermediate varieties | 4 |
two last | 4 |
extreme difficulty | 4 |
five lobes | 4 |
western parts | 4 |
uncrossed breeds | 4 |
still retaining | 4 |
several others | 4 |
facts just | 4 |
plants come | 4 |
nascent cells | 4 |
comparative fertility | 4 |
medicinal virtues | 4 |
males alone | 4 |
pulex penetrans | 4 |
reddish yellow | 4 |
dureau de | 4 |
james sutherland | 4 |
small quantities | 4 |
will even | 4 |
double state | 4 |
ordinary view | 4 |
greatest perfection | 4 |
rapid improvement | 4 |
occasionally formed | 4 |
rudimentary state | 4 |
excellently adapted | 4 |
nervous system | 4 |
usually commences | 4 |
will find | 4 |
potato plant | 4 |
flower border | 4 |
olive oil | 4 |
closely interbred | 4 |
different shades | 4 |
scapo multifloro | 4 |
asiatic soc | 4 |
three cells | 4 |
deep green | 4 |
earliest known | 4 |
generally admitted | 4 |
lachenalia tricolor | 4 |
easily increased | 4 |
nearly allied | 4 |
sufficient number | 4 |
scotch fir | 4 |
four distinct | 4 |
great beauty | 4 |
already varied | 4 |
ably discussed | 4 |
great use | 4 |
quite ripe | 4 |
without scent | 4 |
chief part | 4 |
fairly well | 4 |
hamilton smith | 4 |
foliis ellipticis | 4 |
coreopsis verticillata | 4 |
several authors | 4 |
green food | 4 |
hoofed swine | 4 |
whose name | 4 |
unit throughout | 4 |
foliis sparsis | 4 |
larva state | 4 |
warm border | 4 |
first introduction | 4 |
generally supposed | 4 |
kalmia glauca | 4 |
centuries ago | 4 |
tobacco plant | 4 |
embryonic period | 4 |
alyssum halimifolium | 4 |
latter mode | 4 |
fragrant smell | 4 |
geoffroy saint | 4 |
proper time | 4 |
near paris | 4 |
causing variability | 4 |
ixora coccinea | 4 |
highest authority | 4 |
delicious fruit | 4 |
absorb another | 4 |
broad distinction | 4 |
hybrid ducks | 4 |
whole case | 4 |
produce young | 4 |
three preceding | 4 |
cardamine trifolia | 4 |
first described | 4 |
unknown causes | 4 |
powerful influence | 4 |
alyssum deltoideum | 4 |
months old | 4 |
perfectly true | 4 |
uniformly coloured | 4 |
paternal grandfather | 4 |
least two | 4 |
sugar cane | 4 |
taming animals | 4 |
british plants | 4 |
take care | 4 |
great proportion | 4 |
columba guinea | 4 |
somewhat shaped | 4 |
two countries | 4 |
great esteem | 4 |
breed true | 4 |
fine deep | 4 |
proper insects | 4 |
seventeenth chapter | 4 |
vinca rosea | 4 |
may sometimes | 4 |
remote period | 4 |
asexual reproduction | 4 |
plants must | 4 |
chiefly cultivated | 4 |
mainly depends | 4 |
appear early | 4 |
worth cultivating | 4 |
arrested development | 4 |
narrow leaves | 4 |
much exaggerated | 4 |
indefinite number | 4 |
black pepper | 4 |
sedum anacampseros | 4 |
cytisus laburnum | 4 |
diosma serratifolia | 4 |
may believe | 4 |
german sheep | 4 |
become fixed | 4 |
many diseases | 4 |
numerous tribe | 4 |
less liable | 4 |
various plants | 4 |
azalea nudiflora | 4 |
seventeenth century | 4 |
seeds will | 4 |
veronica decussata | 4 |
domestic purposes | 4 |
almost infinite | 4 |
different colour | 4 |
becomes hard | 4 |
closely similar | 4 |
become partially | 4 |
fully ripe | 4 |
primordial cells | 4 |
ixia crocata | 4 |
yellowish white | 4 |
certain districts | 4 |
remote ancestor | 4 |
sometimes produces | 4 |
result will | 4 |
pelargonium tricolor | 4 |
unpleasant taste | 4 |
clearly see | 4 |
external surface | 4 |
single cross | 4 |
will require | 4 |
twelve feet | 4 |
selection may | 4 |
interesting manner | 4 |
close confinement | 4 |
double varieties | 4 |
dermal appendages | 4 |
shaped like | 4 |
calycibus monophyllis | 4 |
become habituated | 4 |
average yield | 4 |
giving uniformity | 4 |
coronilla valentina | 4 |
trees grow | 4 |
male flowers | 4 |
large portion | 4 |
lord somerville | 4 |
gemmules must | 4 |
medical men | 4 |
striking case | 4 |
fagonia cretica | 4 |
malt liquor | 4 |
wheat flour | 4 |
may take | 4 |
primula villosa | 4 |
introrsum denticulo | 4 |
proximate cause | 4 |
american dogs | 4 |
two processes | 4 |
primary wing | 4 |
occasionally intercross | 4 |
first saw | 4 |
hypericum crispum | 4 |
proximate causes | 4 |
never saw | 4 |
oenothera tetraptera | 4 |
evergreen tree | 4 |
early stage | 4 |
scots fir | 4 |
ad basin | 4 |
inch long | 4 |
sophora tetraptera | 4 |
hybrids raised | 4 |
tussilago alpina | 4 |
allied genera | 4 |
produced seed | 4 |
first observed | 4 |
named varieties | 4 |
subsequently developed | 4 |
also dr | 4 |
lower vertebrate | 4 |
spring crocus | 4 |
producing perfect | 4 |
fifteen feet | 4 |
two brothers | 4 |
faroe islands | 4 |
narcissus major | 4 |
juan fernandez | 4 |
miller says | 4 |
molar teeth | 4 |
less freely | 4 |
particularly liable | 4 |
single part | 4 |
colonel le | 4 |
small pots | 4 |
ever since | 4 |
four varieties | 4 |
fully blown | 4 |
will come | 4 |
exterior polyphyllus | 4 |
apparently capricious | 4 |
domesticated races | 4 |
first become | 4 |
floribus umbellatis | 4 |
yellow blossoms | 4 |
hotter parts | 4 |
fallow deer | 4 |
another form | 4 |
important article | 4 |
differences confined | 4 |
timber tree | 4 |
extreme cases | 4 |
greatest possible | 4 |
pyrus malus | 4 |
may first | 4 |
vary much | 4 |
frequently occurs | 4 |
next year | 4 |
particularly distinguished | 4 |
rubus arcticus | 4 |
one must | 4 |
either species | 4 |
centaurea montana | 4 |
third year | 4 |
long pepper | 4 |
little known | 4 |
constant succession | 4 |
singular species | 4 |
take root | 4 |
year old | 4 |
perfectly black | 4 |
young birds | 4 |
mountainous situations | 4 |
american agriculturist | 4 |
less fertile | 4 |
feel sure | 4 |
stamina declinata | 4 |
hermaphrodite plants | 4 |
affecting domestic | 4 |
beautiful white | 4 |
caule suffruticoso | 4 |
considerable use | 4 |
subtus tomentosis | 4 |
short footstalks | 4 |
common sort | 4 |
good instance | 4 |
eight inches | 4 |
prove favourable | 4 |
average number | 4 |
first domesticated | 4 |
viburnum opulus | 4 |
china fowls | 4 |
multiple origin | 4 |
foliis ovalibus | 4 |
othonna pectinata | 4 |
cineraria amelloides | 4 |
erica grandiflora | 4 |
red plumage | 4 |
careful observer | 4 |
formed within | 4 |
five segments | 4 |
sparingly produced | 4 |
ten years | 4 |
dear sir | 4 |
likewise used | 4 |
pure species | 4 |
wild horses | 4 |
pleasant flowers | 4 |
second volume | 4 |
american species | 4 |
crooked legs | 4 |
domestication eliminates | 4 |
twelve inches | 4 |
whose blossoms | 4 |
teucrium latifolium | 4 |
ever saw | 4 |
first moult | 4 |
sus scrofa | 4 |
erica cerinthoides | 4 |
ill effects | 4 |
hybrid produced | 4 |
geranium peltatum | 4 |
several disorders | 4 |
fertile stamina | 4 |
whilst young | 4 |
deeply divided | 4 |
caule herbaceo | 4 |
rubus odoratus | 4 |
galeobdolon luteum | 4 |
old surrey | 4 |
different times | 4 |
gives us | 4 |
sandy soil | 4 |
common pigeon | 4 |
common white | 4 |
pallasian doctrine | 4 |
long voyages | 4 |
two sons | 4 |
whole life | 4 |
much higher | 4 |
provisional hypothesis | 4 |
domesticated condition | 4 |
pure blood | 4 |
three together | 4 |
shrubby stem | 4 |
phylica ericoides | 4 |
lower classes | 4 |
closely connected | 4 |
professor murray | 4 |
many feet | 4 |
closest attention | 4 |
common duck | 4 |
closely confined | 4 |
certain cells | 4 |
far higher | 4 |
somewhat acrid | 4 |
several domestic | 4 |
though kept | 4 |
third edition | 4 |
orange lily | 4 |
throw light | 4 |
individual sterility | 4 |
white hairs | 4 |
next generation | 4 |
striped blister | 4 |
cape plants | 4 |
ordinary sense | 4 |
intense heat | 4 |
warm sheltered | 4 |
cyclamen persicum | 4 |
central flower | 4 |
flore luteo | 4 |
second place | 4 |
chief breeds | 4 |
homologous organs | 4 |
favourable situations | 4 |
british breeds | 4 |
become changed | 4 |
surgical pathology | 4 |
often born | 4 |
male plumage | 4 |
flore purpureo | 4 |
hibiscus syriacus | 4 |
generally breed | 4 |
geranium striatum | 4 |
valuable food | 4 |
domestic rabbits | 4 |
linseed oil | 4 |
characters often | 4 |
coarse kind | 4 |
aiton regards | 4 |
first production | 4 |
generally used | 4 |
another point | 4 |
glutinous substance | 4 |
ilex aquifolium | 4 |
distinct kinds | 4 |
bulbous plant | 4 |
certain kinds | 4 |
closely resembling | 4 |
mutually infertile | 4 |
melissa grandiflora | 4 |
whatever part | 4 |
new zealand | 4 |
large crops | 4 |
former state | 4 |
severe winters | 4 |
greatest care | 4 |
lemon juice | 4 |
one man | 4 |
soon become | 4 |
linum flavum | 4 |
wholly different | 4 |
seasonal conditions | 4 |
intermediate tint | 4 |
one time | 4 |
iris pumila | 4 |
certain gemmules | 4 |
unknown cause | 4 |
hard fescue | 3 |
extremely valuable | 3 |
squamis calycinis | 3 |
ancient greeks | 3 |
treated differently | 3 |
mimosa verticillata | 3 |
afterwards planted | 3 |
much difference | 3 |
differently affected | 3 |
one great | 3 |
six distinct | 3 |
individual alone | 3 |
usually imported | 3 |
hairless dogs | 3 |
foliis omnibus | 3 |
several forms | 3 |
details given | 3 |
great success | 3 |
sive plura | 3 |
lower end | 3 |
close similarity | 3 |
silene pendula | 3 |
foliolis ovato | 3 |
necessarily connected | 3 |
ten different | 3 |
first known | 3 |
foliis pinnatis | 3 |
given rise | 3 |
hardy annuals | 3 |
agricultural college | 3 |
proportionably large | 3 |
nutmeg tree | 3 |
troublesome weed | 3 |
modified descendants | 3 |
plane tree | 3 |
aloe retusa | 3 |
give instances | 3 |
polyadelphia polyandria | 3 |
necessary assumptions | 3 |
many authors | 3 |
leaves afford | 3 |
banda oriental | 3 |
fine appearance | 3 |
lantana aculeata | 3 |
becomes somewhat | 3 |
expressed juice | 3 |
leersia oryzoides | 3 |
ornamental tree | 3 |
either wholly | 3 |
strongly pronounced | 3 |
individuals may | 3 |
excellent authority | 3 |
certain pigeons | 3 |
potent influence | 3 |
iris sambucina | 3 |
cypripedium acaule | 3 |
distinct domestic | 3 |
mimosa myrtifolia | 3 |
pure race | 3 |
remarkably small | 3 |
concern us | 3 |
extreme delicacy | 3 |
crimson colour | 3 |
direct evidence | 3 |
whole tree | 3 |
white silk | 3 |
pistacia lentiscus | 3 |
whole plumage | 3 |
six days | 3 |
external appearance | 3 |
peloric antirrhinum | 3 |
known kind | 3 |
properly dried | 3 |
plants grow | 3 |
seldom used | 3 |
vicia sativa | 3 |
full details | 3 |
occipital foramen | 3 |
far better | 3 |
juice may | 3 |
bombyx hesperus | 3 |
tufted ducks | 3 |
reversion may | 3 |
become intimately | 3 |
see youatt | 3 |
well fitted | 3 |
present time | 3 |
never breed | 3 |
first class | 3 |
iceland lichen | 3 |
intermediate character | 3 |
two others | 3 |
ancient breeds | 3 |
bitter flavour | 3 |
hibiscus trionum | 3 |
quick growth | 3 |
one person | 3 |
reciprocally crossed | 3 |