MACOUN.] CATALOGUE OF CANADIAN PLANTS. 155 



(592.) P. boreaie, Kindb., Laubm. Schwed. & Norweg. 



Differing from the nearly allied P. hyperboreum, E. Br., principally 

 in the leaves being distinctly dentate above ; the apex is hyaline in 

 the upper part, red in the lower. 



St. Paul Island, Behring Sea, 30th July, 1891. (J. M. Macoun.) 



(593.) P. juniperinum, Willd. ; Lesq. & James, Mosses -of N. 

 America, 265 ; Canadian Musci, No. 223 ; Drumm. Muse. Boiv 

 Am., No. 277. 



P. commune var. formosum, Drumm. Muse. Bor.-Am., No. 276. 

 P. pallidisetum var. Drumm. Muse. Bor.-Am., No. 280. 



Grassy mountainous situations (No. 277) ; about York Factory, 

 Hudson Bay (No. 276) ; upon the " Height of Land," Eocky Moun- 

 tains (280). (Drummond) Both sides of Baffin's Bay. (Capt. Boss.) 

 Smith's Sound. (Dr. Kane.) Christianshaab, Greenland. (Fl. Gr.) 

 Smith's Sound, between lat. 78 82. (Dr. Hayes) Ste. Clotilde, 

 Arthabaska Co., Que. (St. Oyr.) Miquelon Island. (Delaware.) 

 Pictou Co., N.S. (McKay.) Dry hills and gravelly knolls everywhere 

 in New Brunswick. (Fowler's Cat.) Dry places, Tobique Eiver, N.B. 

 (Hay.) In woods by stumps, Canaan Forks and Tay, N.B. (J. Moser) 

 Quite common around St. John and Placentia Bay, Newfoundland ; 

 Little Bay Islands, Labrador. (Rev. A. Waghorne) Very abun- 

 dant from the Atlantic to the Pacific, chiefly in old pastures 

 by stumps and by lumber roads in woods, just as common west 

 of the Eocky Mountains as east of them. (Macoun.) Saskatche- 

 wan. (Bourgeau.) Vancouver Island and British Columbia. (Lyall.) 

 Common on knolls in woods and on upturned pine stumps, Dorchester 

 and London, Ont. (J. Dearness) Kotzebue Sound and Nulato. 

 (Roth. Alask.) 



Var. Waghornei, Kindb. (n. var.) 



Differs in the leaves being dentate in the upper part, not at the lower 

 arm only ; marginal cells papillose, also other characters as in true P. 

 juniperinum. 



Deep Water Creek, Venison Tickle and Cape Charles, Labrador, 

 August, 1891. (Rev. A. Waghorne.) 



(594.) P. strictum, Banks; Lesq. & James, Mosses of N. America, 

 265 ; Canadian Musci, No. 224. 



P. alpestre, Drumm. Muse. Bor.-Am., No. 281. 



Swampy places ; frequent. (Drummond) Canaan Forks, N.B. (J. 

 Moser) In swamps at Nain, Labrador. (R. Bell) On rocks, Eiver 



