304 GEOLOGICAL SURVEY OP CANADA. 



Nipigon. (Maeoun.) "Woods in the Eocky Mountains. (Drummond.) 

 Michell Creek, Crow Nest Pass, Eocky Mountains. (Dawson.) Barren 

 country from Lat. 64° to the Aj-ctic coast and islands. (Richardson.') 

 Observatory Inlet, North-west Coast. (Scouler.) Ounalashka. (Rothr. 

 Alask.) Greenland. (Hooh. Arct. PL) 



(1410.) P. secunda, Linn. 



Eich woods throughout Canada from Newfoundland and the Maritime 

 provinces to the Pacific and far northward on the Mackenzie. A very 

 common species and equally as abundant west of the mountains as 

 eastward. G-reenland. (Hook. Arct. PL) 



Var. pumila, Gray, Man. Ed. V., 302. 



Peat bogs and mossy swamps from Labrador to Alaska. (Gray.) 

 Cedar swamps, North Hastings, Ont. (Maeoun.) Swamps, London, 

 Ont. (Burgess.) Swamps south of Bed Eock. Lake Superior. (Maeoun.) 



Var. /J. Hook. Fl. II., 45. 



Woods of Portage Eiver, near La Grande Cot^, Eocky Mountains. 

 (Drummond.) Leaves narrow and acuminate. 



(1411.) P. chlorantha, Swartz. 



Eather dry or sandy woods generally under conifers, from New- 

 foundland, Labrador and the Maritime provinces westward to the 

 Eocky Mountains and northern British Columbia, and northward to 

 Bear Lake. (Biehardson & Gray.) Woods, Truro, Pirate's Cove, Gut 

 of Canso, and near Annapolis, N.S. ; North Sydney, Cape Breton. 

 (Maeoun.) Lily Lake, St. John, N.B. (Hay.) Dalhousie, N.B. (Fletcher.) 



Yar. occidentalis, Gray. 



p. occidentalis, R. Br. Hook. Fl. II., 47. 



Eocky Mountains, Bow Eiver Pass. (Bourgeau.) Sledge Island on 

 the North-west Coast. (Nelson.) Alaska to Kotzebue Sound. (Ghray.) 



(1412.) P. elliptica, Nutt. 



P. rotundifolia, Michx. Fl. I., 251, in part 



Eich woods. Quite common from Nova Scotia and New Brunswick 

 westward through Quebec and Ontario to Owen Sound. (Maeoun.) 

 Lake of the Woods ; Winnipeg and North-west Angle Eoad, and in 

 thickets. Turtle Mountain, 49th parallel, (Dawson.) Westward to the 

 Saskatchewan. (Dnnumond.) 



