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Laa imagaa aulvantaa ont 4ti raprodultaa avac la plua grand aoin. eompta tanu da la eondMon at da la nattat* da I'axamplaira fllm4. at an oonformiti avae laa condltlona du eontrat da Original eopiaa in beginning with tha front covar and ending mt tha laat page with a printed or IHuatratad impree- alon. or the beak cover when a ppropri a te. AN other originel copiee are filmed beginning on ttia first pege with a printed or illuetrated Imprea- aion. and ending on tha leat page with e printed or ilhMitrated Imp r eaaien. Laa aKa m pi e irea orl^noux dont la coiiverture t% papier eet Imprimee aont fHmee an O' /mman^ant par la premier plot et en terminent aoit per le de m iire pege qui eomporta une ampreinte dimpreeaion ou dlHuetration, aoit par la aeeond plat, a alan le eea. Toua lea autraa aicempleirea orlgineux •lont fRmde en commen^ant par la pramMre pege qui eomporte une ampreinte dlmpreoaion ou dlNuetretion et an terminent per la d a ml ^re page qui eomporta una telle The leat recorded freme on eoch sliali contain tha aymboi -^ ( T1NUI0"). or the aymboi ▼ d "CON- END"). Un dee ay m bolea suiventa appareftra aur la demitre image do dieque microfiche, aeion ie caa: la symbole -»> aignifie "A SUIVRE". le aymboie ▼ signifle "HH". Mope, pletee. eherta. ate., may be fNmed at dif fe rent reduction ratioa. Thoee too large to be entlreiy included in one OKpoeure are filmed begirming in tlte upper left hend comer, left to right and fop to bottom, ae many fRjmee aa required. Tha following diegreme iHustrato tlie Lee eartee. planchee. tabiee u x, etc., peuvent Atre fHm de i dee taux da rdduetlon dif f< r a nta. Loraqua la doaument eet trap grend pour itre reproidttit en un aeui cHaliA. ii aet fNmd i partir da Tangle aupdrieur gaudia, do geudie A drohe. et do heut en bee. en prenent le nombre dimegee ndceeaaire. Lea diagrammae auivanta Hluetrent le metiwdo. 1 2 3 1 2 3 4' 5 6 Reprinted from The Ottawa Naturalist for December, 1899, Vol. XIII, No. 9, pp. 209-218. 7. LIST OF PLANTS COLLECTED BY MR. J. B. TYRRELL IN THE KLONDIKE REGION IN 1899. By John Macoun, M.A. F.L.S., F.R.S.C. Numerous small collections of plants have, during the past ten or twelve years, been brought from the Yukon District to the Herbarium of the Geological Survey by Government officials and others. These specimens are of great value as showing the dis- tribution of plants known to occur in the wooded regions to the east, and our knowledge of the flora of the Klondike district is almost as complete as that of other parts of Canada. The collec> tion made by Mr. Tyrrell during the spring and summer of 1899 is one of the most complete we have received, and a mere glance at the following list will show that the spring and summer climate in the vicinity of Dawson is as mild as that many degrees further south in Eastern Canada; indeed the great majority of the plants found in meadows, bogs, woods and river-bottoms grow within one hundred miles of Ottawa. Mr. Tyrrell says of these plants : "They were all collected in the bottoms, or at no great height up the sides of the valleys, at approximate elevations of between 1,000 and 1,500 feet above sea-level. The principal locality visited on the Yukon River was a gravel hillside, sloping towards the south, within a short distance of the town of Dawson. Another locality was a rocky hill, also facing the south, a couple of miles further up the valley. The localities on Bonanza and Hunker creeks were either on the swampy flats or on the swampy hill- sides. Chandindu River was visited once, on July 13th, and the plants, as labelled, were collected either on the wide swampy flat in the bottom of the valley, on a grassy hillside on the north side of the valley, or on a sandy bar at the mouth of the river where it joins the Yukon River. Forty-mile River was visited for a few days between June 29th and August 8th, and the plants were col- lected close to the banks of the river as we ascended and descend- ed in a canoe. " aio The Ottawa Naturalist. [December Anemone patens, Linn., var. Nuttalliana, Gray. Yukon River, in flower May ist ; Klondike River, April 30th. Anemone parviflora, Michx. Hunker Creek, May 30th. Anemone Richardsonii, Hook. Chandindu River, June 13th. Ranunculus multifidus, Pursh, var. (?) Chandindu River. Ranunculus Lapponicus, Linn. Chandindu River, June 13th. Aquilegia brevistvla. Hook. Chandindu River. Delphinium scopulorum. Gray. Chandindu River. Aconitum delphinifolium, DC. 40-mile Creek ; Chandindu River. Papaver nupicaule, Linn. 40-mile Creek. This species ik out of range and better speci- mens may indicate a new species. CORYDALIS GLAUCA, Pursh. Chandindu River. CORYDALIS AUREA, Willd. Bank of Klondike behind Dawson, June nth. Nasturtium palustre, DC. var. hispidum, Fisch. & Mey. Chandindu River. Arabis Holbcellii, Hornem. Bank of Klondike behind Dawson, June nth. Arabis lvrata, var. occidentalis, Wat. Chandindu River. Barbarea vulgaris, var. arcuata, Hook. Chandindu River. Erysimum cheiranthoides, Linn. Klondike River, June 30th ; Chandindu River. Erysimum parviflorum, Nutt. Bank of Klondike River behind Dawson, June 13th. A* t.> ber 1899] MACOUN— LIST OF PLANTS. at th. A" ci- V w;«i' \/ Erysimum, Sp. A specimen in flower was gathered on June i3th on the Chandindu River. The flowers are light yellow and too large for E. parviflorum and the young pods are hardly that species. A specimen in flower which seems to be related to Erysimum is indeterminable. Chandindu River. Brassica Sinapistrum, Boiss. Introduced. Chandindu River. Draba incana, UC. Klondike River, May i6th. Lychnis triflora, var. Dawsoni, Robinson. Chandindu River. Cerastium maximum, Linn. This species is common in Siberia, and is reported from Alaska. Chandindu River. Our first record. Arenaria capillaris, var. Formosa, Fisch. • Chandindu River. Arenaria lateriflora, Linn. Bank of Klondike River behind Dawson, June nth. Arfnaria physodes. DC. 40-mile Creek. Stellaria borealis, Bigel. Chandindu River. LuPiNus arcticus, Watson. Bank of Yukon River opposite Dawson, May 23rd. Astragalus alpinus, Linn. Bank ot Klondike behind Dawson, June 1 ith ; also Chand- indu River. Astragalus frigidus, var. littoralis, Watson. Chandindu River. Oxytropis Lamberti, Pursh. Chandindu River. Hedysiarum borealb, Nutt. Chandindu River. SpiRiEA betulifolia, Pallas. Chandindu River. 212 The Ottawa Naturalist. [December RuBus ARCTicus, var. grandiflorus, Ledtib. Chandindu River, June 13th. POTENTILLA PeNNSYLVANICA, Var. STRIGOSA, PutsH. (?) Chandindu River. POT^NTILLA NIVEA, Linn. Dawson, May 14th. POTENTILLA FRUTICOSA, Linn. Chandindu River. POTENTILLA ANSERINA, Linn. Chandindu River. POTERIUM SiTCHENSE, WatSOn. 40-miIe Creek. Rosa acicularis, Link. Chandindu River. SaXIFRAGA REFi^EXA, Hook. Yukon River, May ist. Identification doubtful. Specimens too young'. Saxifraga heterantha, Hook. 40-mile Creek. Saxifraga tricuspidata, Retz. Bank of Klondike behind Dawson, June i ith. Chrysosplenium alternifolium, Linn. 40-mile Creek. Parnassia palustris, Linn. 40-mile Creek. RiBES RUBRUM, Linn. Hunker Creek, May 30th. RiBES HuDSONiANUM, Richards. Chandindu River. Epilobium angustifolium, Linn. 40-mile Creek, and Chandindu River. SiLENUM Dawsom, Coult. & Rose. Chandindu River. CoRNUs Canadensis, Linn. Chandindu River. •> • »< (. ♦» ; • ■«< «' w > *< > ,-i > ■>■ • ■» » *■ f «•♦ ; t 1 f m iSqg] MACOUN — LIST OF PLANTS. 2I3 LiNNiEA BOREALIS, GrOtlOV. Chandindu River. Viburnum parviplorum, Pylaie. Bank of Klondike behind Dawson, June i ith. Galium trifidum, Linn. Chandindu River. Galium boreale, Linn. Chandindu River. Valeriana sylvatica, Watson. 40-mile Creek ; Chandindu River. Solidago multiradiata, Ait. Chandindu River. Solidago multiradiata, var. scopulorum, Gray 4o-mile Creek. Aster Sibiricus, Fisch. 40-mile Creek ; Chandindu River, Erigeron acris, Linn. 40 mile Creek. Achillea millefolium, Linn. C ^andindu River. Artemisia vulgaris, Linn., var. Tilesii, Ledeb. 40-mile Creek ; also Chandindu River. Petasites sagittata, Gray. Bank of Klondike opposite Dawson, May 23rd. Arnica alpina, Murr. Bank of Klondike behind Dawson, June 1 1 ; also Chandindu River. Campanula uniflora, Linn. 40-mile Creek. Campanula rotundifolia, var. Alaskana, Gray. Chandindu River ; also 40-mile Creek. Vaccinium caespitosum, Michx. Chandindu River. Vaccinium Vitis-Id^a, Linn. Chandindu River. Arctostaphylos alpina, Spreng. Chandindu River. 2,4 The Ottawa Naturalist. [December Arctostaphylos Uva-ursi, Spreng. Chandindu River. Cassandra calyculata, Don. Hunker Creek. May 30th. Andromeda polifolia, Linn. Chandindu River, June 13th. Ledum palustre, Linn. Chandindu River, June 13th. Ledum latifolium, Ait. Chandindu River. Pyrola rotundifolia, Linn. Klondike Valley, June 2nd; a.so Chandindu River, June 13th. MoNESEs UNiFLORA, Gray. 40-mile Creek. Allotropa virgata, Torr & Gr. Chandindu River. Androsace septentrionalis, Linn. Chandindu River ; also Dawson, May 14th. Gentiana Amarella, var acuta, Hook. Chandindu River. Polemomium humile, var. pulchellum, Gray. Klondike River, May 14th. Mertensia paniculata, Don. Bonanza Creek, May 18th; bank of Klondike behind Dawson, June nth. Pentstemon cristatus, Nutt. Chandindu River. This may be a new species. Castilleia pallida, Kunth. 40-mile Creek. Pedicularis euphrasioides, Stephan. Chandindu River. Dracocephalum parviflorum, Nutt. Chandindu River. Chenopodium capitatum, Bienth. & Hook. Chandindu River. *' «> ^^^^•^fim V V 4> '^] MAC01;N— LIST OF PtANTS. 315 Polygonum alpini;m, Linn. Chandindu River. Sheph^rdia Canadensis, Nutt. Klondike River, May 14th. CoMANDRA LiviDA, Richardson. Chandindu River. Betula papvrifera, Michx. Yukon River at Dawson, May 1st. Betula glandulosa, Michx. Chandindu River, Alnus incana, Willd {?) Yukon Riv;r, May ist. Too young. Salix arctica, R Br. Chandindu River. Salix Scouleriana, Bebb. Yukon River, May ist. Salix reticulata, Linn. Chandindu River. Salix (?) Bank of Klondike behind Dawson, May 2 ist. Too young. Salix (?) Hunker Creek, May 30th. PopuLUs tremuloides, Michx. Yukon River, May ist, and Klondike River, May i6th. Empetrum nigrum, Linn. Bonanza Creek, May i8th. JuNiPERUS COMMUNIS, Linn. Bank of Klondike behind Dawson, May 21st. PiNus Murrayana, Balfour. Yukon River, near mouth of Little Salmon River. PiCEA nigra. Link. At Dawson. PiCEA ALBA, (?) This is one of the forms that do duty for the White Spruce in western America. Yukon River. •■ I ai6 The Ottawa Naturalist. [December CORALLORHIZA INNATA, R. Br. Chandindu River, June 13th. Calypso borealis, Salisb. Chandindu River, June 13th. Allium Schoenoprasum, Linn. 40-mile Creek. Zygadenus elegans, Pursh. Klondike and Hunker Creek, June 30th. Eriophorum capitatum, Host. Bonanza Creek, April 25th ; and Hunker Creek, Nlay 30th. Carex Pyrenaica, Wahl. Bank of Klondike behind Dawson, May 21st. Carex invisa, Bailey. Bank of Yukon River opposite Dawson, May 28th; Hunker Creek, May 30th. Carex (?) Chandindu River. Too young'. Carex concinna, R. Br. Chandindu River. Deyeuxia purpurascens, Kunth. Bank of Klondike River behind Dawson, June nth. PoA PRATENSis, Linn. Chandindu River, June 13th. EguisETUM ARVENSE, Linn. Bank of Yukon opposite Dawson, May 23rd. Pell^a GRACILIS, Hook. 40-mile Creek. Phegopteris Dryopteris, F^e. 40-mile Creek. ASPIDIUM FRAGRANS, SwartZ. Yukon River, May ist, also 40-mile Creek. Cystopteris fragilis, Bernh. 40-mile Creek ; Chandindu River. Cystopteris Montana, Bernh. 40-mile Creek. WooDsiA glabella, R. Br. 40-mile Creek. mmfi 1899] MACOUN — LIST OF PLANTS. JI7 WOODSIA HYPERBORRA, R. Br. 40-mile Creek. LvcoPODiuM OBscuRUM, Linn. Hunker Creek and all gold creeks. Lycopodium annotinum, Linn, var. pungens, Spreng. Hunker Creek. Lycopodium complanatum, Linn. Trail along Hunker Creek. POLYTRICHUM JUNIPERINUM, Willd. Bank of Yukon River opposite Dawson, May 23rd. Marchantia polymorpha, Dum. Dawson. Cetraria juniperina, var. pinastri, Ach. Bonanza Creek. USNEA BARB\TA, Var. DASYPOGA» Fr. Klondike bank behind Dawson. Alectoria jubata, var. implexa, Fr. Bonanza Creek. Peltigera aphthosa, (L.) Hoffm. Bonanza Creek. Cladonia gracilis, var. hybrida, Schaer. Klondike bank behind Dawson. Cladonia rangiferina, var. sylyatica, Linn. Bank of Yukon opposite Dawson. Cladonia deformis, (L.) Hoffm. Klondike Bank behind Dawson. Cladonia cornucopioides, (L.) Fr. Bank of Yukon River opposite Dawson.