(2824.) B. hirsuta, Lag.; Gray, Man. Ed. V., 621. B.foena, Torr.

Apparently rare in the prairie region or more probably overlooked Only noticed south of the Cypress Hills, Alberta. (Macoun.)

(2825.) B. oligostachya, Torr.; Gray, Man. Ed. V., 621.

Atheropogon oligostachyum, Nutt., Gen. I., 78.

Chondrosium oligostachyum, Torr. in Marcy's Rep., 300.

Eutriana oligostachyum, Kunth; Hook., Fl. II., 242. Abundant on the dry prairie from Winnipeg westward to the Rocky .Mountains, and especially southward of the Canadian Pacific Railway. (Macoun.) Plains of the Saskatchewan to the Rocky Mountains. (Hooker, Fl.) Turtle Mountain, Man.; and Côteau de Missouri, Assiniboia. (Burgess.)

(2826.) B. racemosa. Lag.; Vasey, Cat. Grasses U.S. 63, (1885.)

B. curtipendula, Gray, Man. Ed. V., 621.

Chloris curtipendula, Michx., Ft L, 159.

Atheropogon apludoides, Wahl.; Pursh, Fl. I., 75.

Eutriana curtipendula, Trin. Diss. L, 243.

Cynosurus secundus, Pursh, Fl. II., 728. A very rare and beautiful species, on rocky banks. On dry limestone rocks at Heely Falls, River Trent, Northumberland Co.; rocky bank along the Grand Trunk Railway, east of Shannonville Station, Hastings Co., Ont. (Macoun.) Fort Garry, Man. (Burgess.) Stony Mountain, Man. (Fletcher.)