CATALOGUE OP CANADIAN PLANTS. 41 



(128.) C. angulata, Hook. F). L, 44. 



In rich soil around Victoria, Vancouver Island, and near 'Hew West- 

 minster, B.C. This is the 0. paucisecta of my Catalogue, 1878. 



(129.) C. pratensis, Linn. Ladies' Smock. 

 C. digitata {?) Richards. Frankl. Journ., 15. 

 Wet, swampy meadows, Labrador. (Brunet.) St. Patrick, Charlotte 

 Co., N. B. (Vroom.) Near Ottawa and Prescott Eailway; vicinity of 

 Prescott Junction ; also three miles south of Ottawa. {Billings.') 

 Wet meadows and swamps, Hastings County, Ont. {Macoun.) ISTear 

 Millgrove, Ont. (Logie.) Shore along Lake Burwell, Lambton Co, Ont. 

 (Gibson.) Whiskey Island, Georgian Bay. (J. Bell.) Hudson's Bay. 

 (Drummond.) Throughout Arctic America. (Richardson.) East coast 

 of Hudson's Bay. (B. Bell.) Greenland. (Hook. Arct. PL) The 

 Canadian form is usually more slender than the European, and always 

 white flowered. 



(130.) C. hirsuta, Linn. Small Bitter-cress. 



C. Pennsylvanica, Muhl. Pursh, 240. 

 Very abundant in livulets and around springs, from Nova Scotia to 

 the shores of the Arctic Sea and west to the Pacific. Eastern forms are 

 readily distinguished from western ones, but are scarcely different 

 enough to found a variety upon. A peculiar form grows on the height 

 of land west of Lake Superior, which seems to connect the species with 

 the following variety : — 



Var. sylvatica. Gray, Manual, 67. 



C- Virginica, Michx. Pursh, 439. 



C. hirsuta, var. Virginica, Torr. & Gray Fl. I., 85. 



C. sylvatica. Gray- Macoun's Cat, Wo. 126. 



Dry rocks close to Shannonville station of the G. T. P., Ont., 1864. 

 (Macoun.) Eocks at the Montmorenci Palls, Quebec. (Brunei.) 

 Pound at Gait, Ont. (Logie.) Jones' Falls, near Owen Sound. (Mac- 

 lagan.) Vicinity of Ottawa. (Fletcher Fl. Ott.) 



(131.) C. oligosperma, Nutt. Torr. & Gray PL I., 85. 



In low, wet places around Victoria, Vancouver Island, 1875. Appar- 

 ently common. (Macoun.) 



43. ARABIS, Linn. (ROCK-CRESS.) 



(132.) A. lyrata, Linn. Lyre-leaved Eock-cress. 

 Sisyrnbriwm arabidoides. Hook. Fl. I.,.63. 

 Common on the banks of rivers from the Eastern Provinces to Lat. 



