182 GEOLOGICAL SURVEY OF CANADA. 



(852.) C. virosa, Linn. Musquash Poison. 



Frequent from the Red River westward, on wet spots on the prairie, 

 and quite common in the wooded country on the Saskatchewan, Atha- 

 basca and Peace Rivers. (Macoun.) Wooded country of the interior, 

 from ,Lat. 54-64. (Richardson.) North end of Lake Winnipeg to 

 York Factory. (R. Bell.} Coast east of Mackenzie River. (Hook. 

 Arct. PL} 



(853.) C. bulbifcra, Linn. 



Common in swamps throughout Nova Scotia, New Brunswick, Que- 

 bec and Ontario. From York Factory, Hudson's Bay, to the Sas- 

 katchewan. (Drummond.) 



222. SIUM, Linn. (WATER PARSNIP.) 



(854.) S. cicutaefolium, Gmelin. 



S. lineare, Michxi Maeoun's Cat,, No. 737. 



S. latifolium, Bigel. Hook. Fl. I., 262. 



Apium lineare. Benth. & Hook. Gen. PI. I., 888 and 893. 



Wet places and ditches from the Atlantic to the Pacific and north to 

 the Peace River country. (Macoun.} Coarse leaved forms of this 

 species have been taken for S. latifolium, which is unknown in America 



222. CRYPTOT/ENI A, DC. (HONEWORT.) 

 (855.) C. Canadensis, DC. 



Siwn Canadense, Linn. Michx. FL I., 168. 

 Chserophyllum Canadense, Crantz. Pursh, 195. 



Rich, damp woods, Woodstock, N.B. (Fowler's Cat.) Very abundant 

 in rich, low woods throughout Quebec and Ontario. 



224. CH/EROPHYLLUM, Linn. (CHERVIL.) 



(856.) C. procumbens, Crantz. 



Abundant on White Island, in the Detroit River, opposite Amherst- 

 burg. (Macoun.) 



225. BUPLEURUM, Linn. (THOROUGH WAX.) 



(857.) B. ranunculoides, Linn. 

 Foot-hills of the Rocky Mountains, Lat. 49. (Dawson.) Cape 



