(2832.) E. obtusata, Gray, Man. Ed. V., 626.

Koeleria truncata, Torr., Fl. I., 216.

Aira truncata, Muhl. Gram. 83.

A. obtusata, Michx., Fl. I., 62.

Reboulea gracilis, Kunth; Hook., Fl. II., 249, in part. Rather rare in Ontario. In tufts in moist open woods, near Belleville; also near Grafton, Northumberland Co.; and at Red Bay, Lake Huron, Ont.; along the South Saskatchewan, at the Elbow, Assiniboia. (Macoun.) Red River, Man., 1827. (Douglas.)

(2833.) E. Pennsylvanica, Gray, Man. Ed. V., 626.

Koeleria (?) Pennsylvanica, DC. (1813.)

Aira mollis, Muhl. Gram. 81.

Reboulea gracilis, Kunth; Hook., Fl. II., 249, in part. Along river margins, chiefly in alluvial soil, from the Atlantic to British Columbia. Restigouche, and Kennebeccasis; rather scarce, N.B. (Fowler, Cat.) Charlotte Co., N.B. (Vroom.) Titusville, King's Co., N.B. (Brittain.) Jupiter River, Anticosti; Ste. Anne des Monts River, Gaspé, Q. (Macoun.) Waste places near Prescott, Ont. (Billings.) Along the Moira, at Belleville, and in many places throughout central Ontario, extending westward to Owen Sound, and thence northerly to the mouth of Nipigon River, Lake Superior. (Macoun.) Low woods near London, Ont. (Millman.) North shore of Lake Superior. (Agassi-.) Between Fort Severn and York Factory, Hudson Bay; Washow Bay, Lake Winnipeg. (J, M. Macoun.) Along the Columbia River, at Donald; apparently rare. (Macoun.) Near the Falls of Niagara; Saskatchewan to the Rocky Mountains. (Hooker, Fl.) Emerson, Man. (Prof. Fowler.)