230 GEOLOGICAL SURVEY OF CANADA. 



(2884.) C. arctica, Hook., Fl. II., 248. 



G. arctica, {3. laxa, Dur. PI. Kan., No. 97. 

 Arctic sea-coast. (Hooker, Fl.) This species is figured in Hooker's 

 Flora Boreali Americana, and resembles a form of Gr. maritima, but we 

 are unaware of its identification with any of our species. 



(2886.) C. arundinacea, Kunth; Vasey, Cat. Grasses, U.S. 86, 

 (1885.) 



O. aquatica, Smith ; Hook., Fl. II., 248 ; Macoun, Cat. No. 2167. 

 Poa aquatica, var. /?. Americana, Torr., Fl. L, 108. 



Abundant in pools, ditches, and borders of lakes and rivers, from the 

 Atlantic to the Pacific. In water and very wet places, Bass River, 

 N.B. (Fowler, Oat.) Campbellton, N.B. (Chalmers.) Magdalen Islands, 

 (J. Richardson.) Whycocogmah, Cape Breton. (Macoun.) Vicinity 

 of Ottawa. (Fletcher, Fl. Ott.) Very common near Prescott, Ont. 

 (Billings.) Abundant at Belleville, and westward throughout Ontario 

 to Lake Nipigon, and south to the Kaministiqua River. (Macoun.) 

 Sault Ste. Marie. (R. Bell) North shore of Lake Superior. (Agassiz.) 

 Vicinity of Hamilton, Ont. (Logie.) London, Ont.; Parry Sound, 

 Georgian Bay ; Emerson, Man. (Burgess.) Woodstock, Ont. (Millman.) 

 High Bluff, Man. (McG-ill Coll. Herb.) Moose Factory, James Bay. 

 (Cottar & Dr. Hay den.) All around James Bay, and north to York 

 Factory ; also at Maple Creek, Alberta. (J. M. Macoun.) Abundant 

 in pools throughout the prairie region, and north to Lake Athabasca; 

 rather common in the Columbia Valley, from Golden City to Donald ; 

 in wet marshy places at Victoria, Nanaimo, and Alberni, Vancouver 

 Island. (Macoun.) Upper Nachacco River, B.C. (Dawson.) Sitka. 

 (Rothr. Alask.) Lake Winnipeg to the Saskatchewan ; Rocky Moun- 

 tains. (Hooker, Fl.) 



(2887.) C. Canadensis, Trin.; Hook., Fl. II., 249. 



Poa Canadensis, Beauv. ; Torr., Fl. L, 112. 



Briza Canadenyis, Michx., Fl. I., 71 ; Pursh, Fl. I., 82. 



Poa aquatica, Pursh, Fl. L, 80. 



Quite common in the maritime provinces ; rare westward. Yar- 

 mouth, Windsor and Canso, N. S. ; North Sydney, Cape Breton. 

 (Macoun & Burgess.) Prince's Lodge, near Halifax, N.S. (Sommers, 

 Cat.) Pictou, N.S. (McKay.) Common in bogs and very wet places, 

 N.B. (Fowler, Cat.) Tobique River, KB. (Hay.) Thunder River, 

 Q. (St.Cyr.) Vicinity of Ottawa. (Fletcher, Fl. Ott.) Wet grounds 

 near Prescott Junction, Ont. ; and Chelsea, Q. (Billings.) Beaver 

 meadow, Partridge Lake, Addington Co. ; also at the entrance to the 

 Murray Canal, near Trenton; abundant up Gull River, Victoria Co. ; 





