CATALOGUE OF CANADIAN PLANTS. 301 



valley of the Eraser Eiver, B.C. The same form was collected on Van- 

 couver Island, near Cedar Hill, in 1887. Other specimens approaching 

 these were collected in muddy places at Kamloops, B.C., 1889. (Macoun.) 



(3068.) N. Obtusum, Nutt.; Torr. & Gray, El. I., 74. 



This plant has been received from the United States as N. lyratum, 

 Palmer, Col. 1876, No. 12, and as N. obtusum, Palmer, Col. 1877, No. 

 33. The plant in question is only about four inches high and branches 

 from the root. Growing in ground subject to overflow, Thompson 

 Eiver, Kamloops, B.C., 1889; also at Nanaimo, Vancouver Island, 

 1887. (Macoun.) 



42. CARDAMINE. 



(3069.) C. Lyallii, Wat., Proc. Am. Acad., XIV., 466. 



C. cordifolia, Wat, Bot. King. Exp., 19, in part; Gray, Proc. Amer. 

 Acad., VIII., 376; Torr. Bot. Wilkes, 299. 



" Glabrous ; stem erect from a running root-stock, simple or branched, 

 a foot or two high; leaves few (4 to 8), petiolate, undivided, reniform 

 to cordate, the margin sinuate, 1 to 3 inches broad ; raceme pedun- 

 culate ; flowers white ; pods one inch long or less, on spreading 

 pedicels, rather shortly alternate to a very short style, radicle cleft to 

 the middle." On the southern borders of British Columbia. (Lyall.) 



(125) C. Dougiasii, (Torr.) Britton, Trans. New York, Acad. 

 Sci., IX., 7. (1889.) 



C. rotundifolia, var. purpurea, Macoun, Cat., I., 40. 



I entirely agree with Dr. Britton in raising this plant to the rank of 

 a species. It now takes the place of G. rotundifolia and its variety in 

 Part I., 40 of this catalogue, references under G. rotundifolia going 

 under G. rhomboidea, while those under G. rotundifolia var. purpurea, go 

 here. 



(129.) C. pratensis, Linn., var. occidentalis, Watson. 



In springs in deep shade above the railway bridge at Nanaimo, 

 Vancouver Island, June 3rd, 1887. (Macoun.) 



Var. angustifolia, Hook. 



Finlayson Eiver, Lat. 61, KW.T., July 18th, 1887. (Dawson.) 

 Cape Chudleigh, Ashe's Bay, Upper Savage Islands and Digge's Island, 



