(2692.) B. erucaeformis, Host. var. uniflorus, Scribner.
Quite common in wet and overflowed grounds throughout the prairie region, extending east to Port Arthur, on the railway and west to Castle Mountain, in the Rocky Mountains. (Macoun.) Souris .Plain, Assiniboia. (J. M. Macoun.) Milk River Ridge, N.W.T., and west fork of that river, Rocky Mountains. (Dawson.) Wood M'ountain, Alberta. (Burgess.) Lake Mistassini, N.E.T.; Severn River, Kee-watin. (J. M. Macoun.) Moose Factory, James Bay. (Cottar & Br. Hayden.) Hayes, and Churchill rivers, Hudson Bay. (R. Bell.) High Bluff, Man. (McGill Coll. Herb.) Emerson, Man.; and Medicine Hat, Alberta, (Prof. Fowler) Red River, Man., 1826. (Douglas.) Gris-wold, Man. (Rev, W. A. Burman.)
C. echinatus, Muhl.; Torr., Fl. I., 68. C. Carolinianus, Walt, Fl. Car. 79.
Introduced along railways in a few localities. Great Western Railway, a mile east of Dundas, Ont. (Logie.) Port Col borne, Lake Erie. (McGill Coll. Herb.) Point Pelée, and Point aux Pins, Lake Erie. (Burgess.) Sandy shore, near Leamington, Essex Co., Ont. (Pearson.)
(2722.) C. nutans, Benth. & Hook., Gen. Plant. III., 1135.
Andropogon nutans, Linn.; Pursh, Fl. L, 74.
A. avenaceus, Michx., Fl. I., 58; Pursh, Fl. I., 74; Hook., Fl. II., 257.
Sorghum nutans, Gray; Macoun, Cat. No. 2271.
Dry sandy woods, near Ottawa. (Fletcher, Fl. Ott.) Rocky woodland west of Brockville, Ont. (Billings.) Bank of the Trent at Heely Falls; common on Rice Lake Plains; along the Humber and Don, at Toronto, and at Niagara Falls. (Macoun.) Vicinity of Hamilton, Ont. (Logie.) London; and Port Cockburn, Muskoka, Ont. (Burgess.) Saskatchewan. (Hooker, Fl) High Bluff, Man. (McGill Coll. Herb.)
(2725.) A. odoratum, Linn.; Michx., Fl. I., 39; Pursh, Fl. I., 65;
Hook., Fl. II., 235.
Introduced in meadows and pastures, chiefly eastward. Newfoundland. (Reeks.) Bedford, Halifax Co., N.S. (Sommers, Cat.) Pictou, N.S. (McKay.) Truro, Halifax, and Yarmouth, N.S. (Macoun.) Common in grass fields and pastures, Bass River, N.B. (Fowler, Cat.) Ste. Geneviève Island, Seven Islands Bay, and Island of Orleans. (St. Cyr.) Port Colborne, Ont, (McGill Coll. Herb.) Low meadows, London, Ont, (Burgess. Millman.) Vicinity of Hamilton, Ont. (Buchan.) Abundant in meadows at Victoria, and Nanaimo, Vancouver Island. (Macoun.) Greenland. (Lange.)