CATALOGUE OF CANADIAN PLANTS. 305 



(1413.) P. rotundifolia, Linn. Eound-leaved Wintergreen. 



Sandy or dry woods, in swamps or on. mountain tops from the 

 Atlantic to the Pacific and northward to the Arctic regions, under its 

 various varieties. G-reenland. (Hook. Arct. PL) 



Var. incarnata, DC. 



Flowers from flesh color to rose pm-ple ; calyx lobes triangular-lanceo- 

 late. Cold woods and bogs, northern New England to the Aleutian 

 Islands. (Gray.) Throughout Canada to Bear Lake. (Richardson.) 

 From Hudson Bay to the Eocky Mountains. (Brummond.) Dalhousie 

 and Pictou, N.S. (McKay.) Occurs near Fredericton, JST.B. (Prof. 

 Bailey.) Near Edmunton, N.B. (May.) Vicinity of Ottawa. (Fletcher 

 Fl. Ott.) 



Var. asarifolia, Hook. Fl. II., 46. 



Pyrola asarifolia, Michx. Fl. I., 251 ; Pursh Fl. I., 299. 



Leaves round-reniform, orbicular-sUbcordate, or inclined to oblate- 

 orbicular : scape slender. Not uncommon, northward and westward 

 to the Eocky Mountains. (Gray.) Not rare in New Brunswick. 

 (Fowler's Cat.) Vicinity of Ottawa. (Fletcher Fl. Ott.) Dawson 

 Eoad west of Lake Superior. (Burgess.) Common in thickets 

 throughout the North-west to the base of the Eocky Mountains. 

 (Macoun.) From Hudson Bay to the Eocky Mountains. (Drummond.) 

 Northward to Bear Lake. (Richardson.) 



Var. uliginosa, Gray. 



Leaves from subcordate to oblate, generally dull. Flowers rose- 

 colored or purple. Calyx lobes shorter than preceding, usually broadly 

 ovate, sometimes obtuse. Cold bogs, northward, nearly across the 

 continent. (Gray.) Andover, N.B. (Hay.) Peat bogs at Belleville 

 and north-westei'ly to the Eocky Mountains in the Bow Eiver Pass. 

 (Macoun.) Michell Creek, Crow Nest Pass, Eocky Mountains ; also, 

 Qualcho Lake, B.C. (Dawson.) Cariboo Mountains, B.C. (Cowley.) 



Var. bracteata, Gray. 



Pyrola bracteata, Hook. Fl. II., 47. 



Coniferous woods, British Columbia. (Gray.) North-west Coast. 

 (Scouler.) Small prairie in cedar bush on "Wigwam Eiver, Eocky 

 Mountains, B.C. (Dawson.) 



Vai-. pumila, Hook. 



From Labrador to the Mackenzie Eiver, along the Arctic coast. 

 (Gray.) 



