CATALOGUE OP CANADIAN PLANTS. 239 



280. INULA, Linn. (ELECAMPANE.) 



(1112.) I. Helenium, Linn. Common Elecampane. 



Introduced. Frequent in old pastures along streams or by roadsides, 

 or iii the grassy borders of woods. Common in Nova Scotia. Bare in 

 New Brunswick, but frequent in Quebec, and common in Ontario. 



281. ADENOCAULON, Hook. (ADENOCAULON.) 



(1113.) A. bicolor, Hook. 



Near the outlet of Lake Superior [possibly on the north side.] (Dr. 

 Pitcher.} Woods on the Portage Eiver, one of the sources of the 

 Columbia, in the Eocky Mountains, Lat. 52. (Drummond.) Small 

 prairie in .cedar bush on Wigwam Eiver, Eocky Mountains ; on the 

 Cascade Mountains, east of Hope, B.C. (Daivson.) Vicinity of Vic- 

 toria, Vancouver Island. (Fletcher.) 



282. POLYMN1A, Linn. (LEAF-CUP.) 



(1114.) P. Canadensis, Linn. 



Hillsides in shady, rich soil along streams. On the mountain side 

 near Hamilton. (Logie.) Loose rocks along the road leading down 

 to the river below the Clifton House, and abundant amongst rocks, 

 Foster's Flats below the Whirlpool, Niagara Falls. (Macoun.) At 

 the Whirlpool below Niagara Falls. (Maclayan.) Vicinity of London, 

 Ont. (Burgess.} 



283. SILPHIUM, Linn. (ROSIN-PLANT.) 



(1115.) S. terebinthinaceum, Linn. Prairie-Dock. 



Open woods and grassy banks. Cayuga and Maiden, Ont. (Maclagan.~) 

 Along the Great Western Eailway, east of Paris, Ont. (Geo. Prescott.) 



(1116.) S. perfoliatum, Linn. Cup-Plant. 

 Eich soil along streams. Island in Detroit Eiver. (Maclagan.) 



