174 GEOLOGICAL SURVEY OF CANADA. 



199. CLARKIA, Pursh. (CLARKIA.) 



(812.) C. pulchella, Pursh. 



From the Great Fulls of the Columbia to the Rocky Mountains. 

 (Douglas.} Near Osoyoos Lake, southern boundaiy of British Colum- 

 bia. (Dawson.} 



2OO. BOISDUVALIA, Spach. (BOISDUVALIA.) 



(813.) B. d ens i flora, Watson. 



(EnotJiera densiflora, Lindl. Torr. & Gray, Fl. I., 505. 



Vancouver Island, near Victoria. (Dawson.) 

 (814.) B. glabella, Walp. 



(Enothera glabella, Nutt. Torr. & Gray, Fl. I., 505. 



Pile of Bones Creek, Souris Plain ; Weedy Lake, west of Old Wives 

 Lakes and on the Cypress Hills, N.W.T. (Macoun.) 



201. CAURA, Linn. (GAURA.) 

 (815.) C. coccinea, Nutt. 



G. marginata, Lehm. Hook. Fl. I., 208. 

 G. glabra, Lehm. Hook. Fl. I., 209. 



Plains of the Red and Saskatchewan Rivers. (Drurnmond, Douglas.'} 

 Abundant near Brandon and westward, on gravelly banks throughout 

 the prairie region. (Macoun.) Badger Creek ; dry banks, Wood End, 

 Souris River ; and westward to the mountains, Lat. 49. (Dawson.) 



(816.) C. biennis, Linn. 



Dry banks. Moftatt's Island, Montreal ; Maiden, Ont. (Maclagan.) 

 About Montreal. (C leghorn.} 



2O2. CIRCCEA, Tourn. (ENCHANTER'S NIGHTSHADE.) 



(817.) C. alpina, Linn. 



Common in damp, shady woods, from the Atlantic to the Pacific. 

 Sitka. (Rothr. Alask.} This is wholly a forest species. 



