52 GEOLOGICAL SURVEY OF CANADA. 



(176.) D. arabisans, Michx. Fl. II., 28. 



D.glabella, Pursh, 434. Hook. Fl. I., 54 in part. 

 D. Gmadensis, Brunet. PI. Can. I., 22. 



Gasne Basin and along the Gaspe coast from Capo Hosier to Little 

 Metis. (Macoun.) Crevices of rocks at St. Joachim. Cape Tour- 

 ment, Q. (Brunet.) Lake Champlain. (Michaux.) Near Fenelon 

 Falls, Ont. (Dr. Cowdry.) North shore of Lake Superior. (Agassi?.) 



(177.) D. aurea, Vahl. Hook. Fl. I., 55. 



Alpine prairies of the Rocky Mountains. (Drummond.) Top of 

 Stuart Lake Mountain, B. C. ; Mount Selwyn, Peace River Pass. 

 (Jfacoun.) Eliguck Lake, B. C. (Dawson.). Greenland. (Hook. 

 Arct. PL) 



(178.) D. nemorosa, Linn. var. ., leiocarpa, Lindb. 

 D. lutm, Gilib. Hook. Fl. I., 55. PI. Bourgeau, 254. 



Low grounds from Lat. StT-GG 3 . (Drummond.) On dry sand hills 

 and banks, Michipicotin, Lake Superior. Abundant in many places on 

 the western plains, especially at Fort Ellice; Manitoba House, Lake 

 Manitoba. (Macoun.) Cascade Mountains on Skagit River, B. C. 

 (Dawson.) 



Var. ,i, hebecarpa, Lindb. 



D. nemoralis, Ehrh. Hook. Fl. I., 55. 

 ? D. muralis, Hook. Fl. I., 56. 

 D. lutea var. longipes, Hook, in Lon. Journ. Bot., 671. 



About Montreal. (Cleghorn.) About Rainy Lake and in the Rocky 

 Mountains. (Drummond.') North-west coast of America. (Douglas.) 

 Quite common around Victoria, Vancouver Island ; in profusion at 

 Yale and along the Wagon road to Quesnel, B.C. (Macoun.) Dean's 

 Harbor, B. C. (Damson.) 



(179.) D. Carol iniana, Walt. Torr. & Gray, Fl. L, 109. 



D. hispidula, Michx, Fl. II., 28. Pursh, 433. 

 ? Arabis reptans, Torr. & Gray, Fl. I., 83. 



On limestone rocks, Ox Point near Belleville; also on rocks west of 

 Albert College and at the Ferry House opposite Belleville ; Grape 

 Island and the Carrying Place at the head of the Bay of Quinte ; also 

 in a stone quarry near the Canada Southern Railroad station at 

 Amherstburg, and on Pelee Point, Lake Erie. (Macoun.) 



(180.) D. hyperborea, Desv. 



Alyssum hyperboreum, Linn. Hook. Fl. L, 49. 

 Cochlearia spathuhtla, Sclilocht. Hook. Fl. L, 57. 



