CATALOGTE OF CANADIAN PLANTS. 263 



in the Maritime provinces and apparently spreading. Newfoundland, 

 Labrador and Hudson Bay. {Hooker.) Not abundant in Ontario, but 

 occasionally met with. Common in British Columbia. {Macoun & 

 Fletcher.) 



(1229.) S. viscosus, Linn. (Stinking Groundsel.) 



Abundant and naturalized along the Intercolonial Eailway in Nova 

 Scotia, especially at Truro, New Glasgow, and Pictou, (Macoun.) 

 Spreading at Shediac, Bathui-st and other points, N.B. {Fowler's Cat.) 

 Windsor Junction, N.S. (Lawson.) 



(1230.) S. sylvaticus, Linn. 



Of sparing occurrence in waste ground, Nova Scotia. (Gray,) 



(1231.) S. palustris, Hook. Marsh Groundsel. 



Mahone Bay, Lunenburg Co., N.S. (Ball.) f Very doubtful. 

 Prom the Saskatchewan to the extreme Arctic islands. (Richardson.) 

 Rather common on the borders of saline marshes and lakes throughout 

 the western part of the prairie region and northward to Lake Atha- 

 basca. (Macoun.) Norton Sound, Kotzebue Sound, Wainright Inlet 

 and on the northern shore of Alaska. (Rothr. Alask.) English Eiver, 

 N.W.T. (BacJc.) Greenland. (Hook. Arct. PI.) 



Var. congesta, Hook. PL I., 334. 



Chiefly in the Arctic regions. (Richardson.) Gulf of Boothia. 

 (Back.) West of the Mackenzie Eiver, along the coast. (Bease.) 



(1232.) S. Hookeri, Torr. & Gray PI. II., 438. 



S. integrifolius, Hook. Fl. I., 335. 



Woody country in Lat. 54° to the shores of the Arctic Sea. (Richard- 

 son.) Eocky Mountains, Lat. 52° (Drunimond.) Kotzebue Sound. 

 (Rothr. Alask.) A specimen ticketed S. Hookeri from the Mackenzie 

 Eiver is in McGill Coll. Herb. It is extremely like a small form of 

 >Si. Pseudo-Arnica. (Macoun.) 



(1233.) S. megacephalus, Nutt. 



Along Belly Eiver. (Dawson.) Near the British boundary, Lat. 

 49°. (Lyall.) 



(1234.) S. lugens, Eichards. 



Port Confidence, Lat. 66°. (Bease.) Bloody Pall, Coppermine 

 Eiver; also, from Port Pranklin to the coast. (Richa?'dson.) Middle 

 branch of North Pork of Old Man Eiver. (Dawson.) Bow Eiver 



