84 METASPERMAE OF THE MINNESOTA VALLEY. 
Serrafalcus PARLAT. Pl. Nov. 75 (1842). 
Libertia LrsEUNE, Nov. Act. Cur. XII, 755 (—). 
Michelaria Dum. Agrostogr. Belg. 77 (1823). 
Triniusa STEUD. Syn. Glum. I, 328 (1855). 
Ceratochloa BEAvuy. Agrostogr. 75 (1812). 
Benth. and Hook., Gen. Pl. III, 1200; Durand, Ind. Gen. Phan. 478; 
Engler and Prantl, Nat. Pflanz. 2, II, 75 (Hackel). 
Living species: 40; cosmoplitan; especially in N. tem- 
perate regions; a few in tropical mts. and in the 8. hemisphere. 
Europe, 42 (Richter); N. America, 12; Canada, 10; California, 6; 
S. Sts., 4; Rocky mts, 3; E. Sts., 2; Pl. Wheel. 2; Pl. 
King., 2. 
Bromus purgans Linn. Spec. 76 (1753). 
B. ciliatus var. purgans GRAy, Man. ed, I, 600 (1848). 
Wats. and Coult., Gray’s Man. 6 ed. 670; Britt., Fl. N. J. 297; Chap., 
Fl. S. St. 566; Upham, Fl. Minn. 168; Led., Fl. Ross. LV. 361? Cov., Fl. 
Ark. 238; Webb., Appx. Neb. 25. 
Kamtschatka and &. America? 
North America: N. Eng., to Fla.; W. to Minn., Dak. 
and Neb. 
Minn. valley: Throughout; abundant; river banks, 
shores of lakes and woodlands. 
Hers.: Ballard, 214, Jordan, Scott Co.; Ballard 707, 
Waconia; Sheldon 1594, Lake Benton; Sheldon 1807, Lake Ben- 
ton; Sheldon 902, Sleepy Eye; Sheldon 558, Waseca; Sheldon 
1198, New Ulm; Ballard 509, Prior’s Lake, Scott Co.; MacM. and 
Sheld. 60, Brainerd; Sandberg 586, Red Wing; Oestlund 388, 
Minneapolis. 
Bromus ciliatus Linn. Spec. 76 (17538). 
B,. canadensis Micux. FI. N. Am. I, 65 (1802). 
B. pubescens var. 1, Torr. FI. U.S, I, 129 (1824). 
B. purgans Hook. FI. Bor, Am. I, 252 (1833), in part 
B. inermis var. ciliata TRauty. Act. Hort. Petrop. V, I, 135 
1877). 
Wats. and Coult., Gray’s Man. 6 ed. 670; Britt., Fl. N. J. 297; Webb., 
Fl. Neb. 100; Upham, Fl. Minn. 168; Mac., Fl. Can. II, 237; Coult., Fl. 
Colo. 425; Wats., Fl. Calif. II, 320; Vas., Ag. Grasses U.S. 74; Led., Fl. 
Ross. IV, 858; Wats., King Exp. 390; Roth, Wheel. Exp. 292: Cov., Fl. 
Ark, 238; Rothr., Alask. 458. 
North America: N. S., N. Br., Q., Ont., Man., Brit. 
Col., Vancouver to Kotzebue Sound, Alaska; S. to N. Eng., N. 
J. and Va.; W. to Minn., Mo., Neb., Colo. and Calif. 
Minn. valley: Throughout; woods, banks of streams 
and shores of lakes. 
HERsB.: Ballard 717, Benton, Carver Co.; Taylor 1189, 
Glenwood ; Ballard 846, Page Lake, Carver Co.; Ballard 579, 
