224 GEOLOGICAL SCRVET OF CANADA. 



(2854.) P. cenisia, All. ; Yasey, Cat. Grasses U. S., 81, (1885.) 



P. arclica. R. Br. ; Hook., Fl. II., 246, in part; Macoun, Cat. No. 2191. 

 Pflexnom, Wahl. Fl. Suec. (1824.) 

 Labrador; Eocky iloantains to the Arctic sea-shore and islands in 

 every direction. {Hooker, Fl.) Ford's Harbor, Labrador ; CapeChud- 

 leigh, Xohingham Island, Digge's Island, and Mansfield Island, Hud- 

 son Strait. {R. Bell.) Fort George, Little Charlton Island, and "The 

 Twins," James Bay ; west coast of Hudson Bay. (/. M. Macoun.) 

 Between Fort Churchill and Cape Lady Pelly, north of Hudson Bay. 

 {Br. Rae.) Point Barrow, Alaska. (John Murdoch.) Cape Lisburne, 

 Kotzebue Sound, Ounalashka, and Sitka. {Rothr. AlasU.) On the beds 

 of snow-slides on all the higher Eocky and Selkirk mountains. 

 (^Macoun.) Hills north of Finhu'son Lake, X.'W.T. {Dawson.) Green- 

 land. {Lan'je.) 



(2855.) P. coMPRESSA, Linn. (English Blue Grass.) 



This is considered an excellent pasture grass, but is much inferior to 

 Poa pratensis. Truro, Annapolis and King.ston, N. S. {Macoun.) 

 Hai-vey, York Co. ; Fredericton Junction, and St. John; Bellisle, N.B. 

 {Fowler, Cat.) Magdalen Islands, IST.S. (-/ Richardson.) St. Charles 

 Eivei-, Q. {St. Cyr.) Field, Ste. Anne des Monts Eiver, Gaspe, Q. 

 {Macoun.) Vicinity of Tadousac, Q. {A. T. Brummond.) Neighbor- 

 hood of Ottawa. (Fletcher, Fl. Ott.) Common at Prescott, Ont. 

 (Billinys.) Very common throughout central Ontario, in old pastures, 

 and westward to Owen Sound. (Macoun.) Vicinityof Hamilton, Ont. 

 (Logie.) Sterile sandy soil, London, Ont. ; also Parry Sound, Georgian 

 Bay. (Burgess.) In pastures at Cedar Hill, and Cioverdale, Vancouver 

 Island. (Macoun.) 



(2856.) P. Californica, Tasey, Cat. Grasses U. S. 81, (1885.) 

 P. andinn, Nutt in herb. Gray ; Macoun, Cat Na 2185. 

 Eragrosti.^ Feiidleri, Steud. Syn. Gram. 278. 

 Atropis Californica, Munro. (MS.) 



Abundant on the mountain slopes along the Fraser Eiver, at Lytton,, 

 and up the Thompson to Spence's Bridge, B.C. (Macoun.) 



(2857.) P. cuspidata, Vasey & Scribner. 



Eather common ua the higher slopes of the Eocky and Selkirk 

 mountains, and frequent in all the valleys. (Macoun.) 



(2858.) P. debilis, Torr. Bot. N. York, II., 459. 



Not uncommon in woods eastwai-d. Eocky woods at Pirate's Cove, 

 Canso, N.S. (Macoun & Burgess.) Petitcodiac, N.B. (Fowler, Cat.y 



