190 GEOLOGICAL SURVEY OF CANADA. 



685 ARISTIDA, Linn. Gen. 74. (TRIPLE-AWNEDlGRASS.) 



(2'734.) A. basiramea, Engelmann; Upham, Cat. Min. PI. 163. 



Vicinity of Bi-andon, Man. (^. J. Scott.') Thiis is a new species 

 found first by Mr. "W. Upham, at Minneapolis, Minn. 



(2'735.) A. dichotoma, Linn.; Michx. PI. 41; Pur8h,Fl., I., '72. 



Port Colborne, Lake Erie. (McGrill Coll. Herb.) "We have seen no 

 Canadian specimens of this species. 



(2736.) A. purpurea, Nutt.; Steud. Gram. 134. 



On dry hillsides, at Spence's Bridge, B.C., 1883. (Fletcher.) Only 

 this station is known at present in Canada. 



686. STIPA, Linn. Gen. 90. (FEATHER-GRASS.) 



(2737.) S. avenacea, Linn.; Gray, Man. Ed. V., 617. 



In sandy open pine woods, Point aux Pins, eight miles above Sault 

 Ste. Marie, 1869. {Macoun.) 



(2738.) S. comata, Trin. & Eupr., Stipaceee, 16. 

 S. juncea, Nutt., Gen. I., 58. 

 S. capillata, Hook., Fl. II., 237. 



S. occidentalis, Bolander, Proced. Calif. Acad. IV., 169, in part ; Macoim, 

 Cat. No., 2151. 



Abundant on dry prairies, and extending into British Columbia. 

 Cypress Hills, and Milk River Eidge, Alberta. {Daw$on.) Abundant 

 at Eeed Lake, Fort Walsh, and numerous other localities throughout 

 the prairie region ; vicinity of Spence's Bridge, B.C., and on dry rocks 

 near Victoria, Vancouver Island. (Macoun.) Along the Eraser, at 

 Lytton, B. C. (Fletcher.) Abundant at Kamloops, and Shuswap 

 Lake, B. C. (Prof. Fowler.) Port Carleton, on the Saskatchewan, 

 (Hooker, Fl.) 



(2739.) S. Richardsonii, Link., Hort. Berol. II., 245. 



Petitcodiac, !N".B. (Fowler, Cat.) Iforth shore of Lake Superior, 

 from Michipicotin to Pic Eiver, and Peninsula Harbor. (Macoun.) 

 Lake Mistassini, IST.E.T. (J. M. Macoun.) Near Edmonton, on the 

 Saskatchewan, and northerly to Lesser Slave Lake. (Macoun.) 



