200 GEOLOGICAL SURVEY OF CANADA. 



along rivers and lakes, widely spread and variable ; apparently bien- 

 nial. Newfoundland. (Reeks.) Halifax Co., N.S. (Sommers, Cat.) 

 Common at Tru.ro, and Halifax, N.S. (Macoun.) Common throughout 

 New Brunswick. (Fowler, Cat.} Thunder River, Q. (St. Cyr.) South 

 West Point, and Jupiter Eiver, Anticosti, and along the Gasp6 coast, 

 and atLevis, Q. (Macoun.) Vicinity of Tadousac, Q. (A. T. Drummond.) 

 Abundant at Ottawa. (Fletcher, Fl. Ott.) Very abundant in its usual 

 haunts throughout the whole of northern and central Ontario (Macoun.) 

 North shore of Lake Superior. (Agassiz.) On an old road, Mamainse, 

 Lake Superior, (ft. Bell.) Yicinity of Hamilton, Ont. (Logie.) 

 Manitoulin Island, Georgian Bay. (Mrs. Saunders.) Sandy and wet 

 places, London, Ont. (Burgess. Millman.) Saugeen, Lake Huron j 

 Parry Sound, Georgian Bay ; Lake of the Woods. (Burgess.) Oba 

 Lake, Ont. ; Nelson and Hayes rivers, Keewatin. (R. Bell.) Lake 

 Mistassini, N.E.T. ; Severn Eiver, Keewatin ; South Twin Island, 

 James Bay; Washow Bay, Lake Winnipeg ; and Sour is Plain, Man. 

 (t7. M. Macoun.) Common at the Lake of the Woods ; Milk River 

 Ridge, Alberta ; Elk River, Kootanie Yalley, Rocky Mountains ; 

 Ilgacho Brook, B.C. ; and Lake Lindeman, lat. 60, B.C. (Dawson.) 

 Yery abundant along all the rivers in the prairie region, and northward 

 to Lake Athabasca ; very common in suitable places, Vancouver 

 Island. (Macoun.) Ounalashka. (Rothr. Alask.) Red River, Man. 

 1827. (Douglas.) 



(2770.) A. varians, Trin., Agrost. II., 68. 



A. exarata, var. /?. minor, Hook., Fl. II., 239. 



A. canina, var. melaleuca. Bong.; Hook., Fl. II., 240. (?) 



A. Drummondii, Torrey, Ms. (mde Hooker.) 



Valleys of the Rocky Mountains, on the east and west sides of the 

 dividing ridge. (Hooker, FL) Trinius founded the species on specimens 

 collected by either Douglas or Drummond on the Athabasca Pass, in 

 the Rocky Mountains. (Macoun.) Queen Charlotte Islands, 1878. 

 {Dawson.) Sitka. (Hooker, FL) Greenland. (Lange.) 



(2771.) A. VERTICILLATA, Vill. Delph. II., 74. 



Vilfa stolonifera, Hook. & Am. Bot. Beechy, 161. (?) 



Apparently introduced at Victoria and Nanaimo, Vancouver Island. 

 (Macoun.) 



(2772.) A. vulgaris, With.; Hook., Fl. II., 239; Pursh, Fl. I., 63. 

 A. polymorpha, Trin., var. . Diss. I., 202. 

 A. hispida, Willd. Sp. I., 370. 



Very abundant in pastures and meadows throughout the whole 



