CATALOGUE OP CANADIAN PLANTS. 215 



(997.) S. Terree-Novee, Torr. & Gray PI. IT., 206. 



In bogs, Newfoundland. (Pylaie.) Specimens obtained at Salt 

 Lake, Anticosti, in August, 1883, may belong here. (Macoun.) Gray 

 remarks that this species is still insufficiently known. 



(998.) S. arguta, Ait. 



S. Muhlenbergii, Torr. & Gray Fl. II., 214. Macoun's Cat., No. 921. 

 Borders of thickets and in open pine or sandy woods. Hastings and 

 Northumberland counties, Ont. (Macoun.) Vicinity of Hamilton, 

 Ont. (Logie.) St. Catharines and Chippawa, Ont. (Maclagan.) 

 Vicinity of London, Ont. (Burgess.) 



(999.) S. juncea, Ait. 



S. arguta, Torr. & Gray Fl. II., 214. Macoun's Cat., No. 917. 

 Common in meadows and fields and in partly cleared land. "Wood- 

 stock and St. Stephen, 1ST.B. ( Vroom.) Smithtown, King's Co., N.B. 

 (Brittctin.) Near St. John, N.B. (flay.) Common throughout Quebec 

 and Ontario, and westward to the Rocky Mountains. {Macoun.) 

 Wooded country between Lat. 54-64. (Richardson.') Our form is 

 principally the variety scabrella of Torr. & Gray. 



(1000.) S. Missouriensis, Nun 



Dry prairies, not uncommon. Turtle Mountain, Man. (Dawson.) 



Dry prairies of the Assiniboine, Man. (Douglas.) Frequent on the 



prairie west of Fort Ellice to the Rocky Mountains. (Macoun.) 



Var. montana, Gray. 



This form is the common one on the Canadian prairies and extends 

 westward to the Rocky Mountain forests. (Macoun.) Milk River 

 near the 49th parallel. (Dawson.) A broad-leaved form which may be 

 var. extraria, Gray, has been gathered near the Hand Hills. (Macoun.) 



(1001.) S. serotina, Ait. 



S. gigantea, Torr. & Gray F. II., 225. Macoun's Cat., No. 912. 

 Borders of woods and in fields eastward, in copse-wood and borders 

 of coulees on the western prairie. Grand Lake, N. S. (Sommers.) 

 Pictou, N. S. (McKay.) St. John County, 1ST. B. (Fowler's Cat.) 

 Vicinity of Ottawa at Billings' Bridge and Hull. (Fletcher Fl. Ott.) 

 Rocky bed of the Trent at Heely Falls, Northumberland Co., and in 

 the neighborhood of Belleville, Ont. (Macoun.) Niagara district and 

 Maiden, Ont. (Maclagan.) Near the Three Buttes, and Second Branch 

 of Milk River, 49th parallel, N.W.T. (Dawson.) South of Battleford, 

 and in ravines bordering on Bow River. (Macoun.) Plains of the Red 

 River. (Douglas.) Saskatchewan River. (Drummond.) 



