190 GEOLOGICAL SURVEY OF CANADA. 



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



(2734.) A. basiramea, Engelmann; Upham, Cat. Min. PI. 163. 



Vicinity of Brandon, Man. (R. J. Scott.) This is a new species 

 found first by Mr. AY. Upham, at Minneapolis, Minn. 



(2735.) A. dichotoma, Linn.; Michx. Fl. 41; Pursh, PI., I., 72. 



Port Colborne, Lake Erie. (Me Grill 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. Y., 617. 



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

 Ste. Marie, 1869. (Macoun.) 



(2738.) S. comata, Trin. & Eupr., Stipacese, 76. 

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

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



S. occidental, Bolander, Proced. Calif. Acad. IV., 169, in part ; Macoun, 

 Cat. No., 2151. 



Abundant on dry prairies, and extending into British Columbia. 

 Cypress Hills, and Milk Kiver Eidge, Alberta. (Dawson.) 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 Fraser, at 

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

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

 (Hooker, Fl.) 



(2739.) S. Richardson! i, Link., Hort. Berol. II., 245. 



Petitcodiac, N.B. (Fowler, Cat.) North shore of Lake Superior, 

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

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

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



