496 GEOLOGICAL SURVEY OP CANADA. 



81. ARENARIA. 



(277). A. capillaris, Poir. Yar. nardifolia, Eegel. Western 

 summit of North Kootanie Pass, Eocky Mountains. (Dawson) On 

 the summits of all mountains above 7,000 feet in Eocky and Selkirk 

 Mountains. Lat. 51°. {Macoun.') 



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(280). A. biflora, Wahl. Var. obtusa, "Watson. On the summits 

 of all the Eocky Mountains over 7,500 feet in height from Canmore 

 westward. Lat. 51°. {Macoun.) Eastern summit of Noi-th Kootanie 

 Pass, Eocky Mountains. (Dawson.) 



(281). A. verna, Linn. Cape Chudleigh, entrance to Hudson 

 Strait. (jR. Bell.) On the slopes of the Crow JSTest Pass, Eocky 

 Mountains. (Dawson.) Abundant on the summits and higher wooded 

 slopes of all the Eocky and Selkirk Mountains along the Canadian 

 Pacific Eailway. (Macoun.) 



Var. hirta, Watson. This variety grows at a much lower alti- 

 tude than the type and is very abundant along the Canadian Pacific 

 railway from Calgary westward through the Bow Eiver valley. 

 (Macoun.) Western summit of North Kootanie Pass, Eocky Moun- 

 tains. (Dawson.) On dry rocks near Victoria, B.C. (Fletcher.) 



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Var. rubella, Hook. In sand along the shore of Nottingham 

 Island, Hudson Strait. (R. Bell.) 



(283.) A. pungens, Nutt. Eastern summit of North Kootanie 

 Pass, Eocky Mountains. (Dawson.) 



(284.) A. Michauxii, Hook. Mingan Islands, Gulf of St. Law- 

 rence. (St. Cyr.) Between Lakes St. Clair and Hui-on. (Douglas.) 

 The A. juniperina of Torr. & Gray grows in abundance on the sands of 

 Pelee Point, Lake Erie, and is undoubtedly a form of this species. In 

 profusion on Poplar Point, Lake Nipigon, Ont. Abundant on rocks at 

 Kananaskis station, and at Canmore and Castle Mountains, Bow Eiver 

 valley, Eocky Mountains. (Macoun.) 



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(287.) A. Croenlandica, Spreng. Nain, and Ford's Harbor, 

 coast of Labrador. (B. Bell.) On rocks. North-west Ai-m, Halifax 

 N.S. (Macoun & Burgess.) Collected on the summits of many low 

 hills at Baie des Eocbes, Labrador. ( W. E. Stearns.) 



