62 METASPERMAE OF THE MINNESOTA VALLEY. 
very abundant south of this range, though occasional even to 
the Gulf of Mexico. 
Minn. valley: Throughout; abundant; in wet meadows 
or ditches, or along edge of ponds. 
Hers.: Ballard 265, Jordan, Scott Co.; Taylor 83, 
Lake Custan, Le Sueur Co.; Sheldon 213, Lake Ballentyne, Blue 
Earth Co.; Sheldon 688, Waseca; Sheldon 916, Sleepy Eye; Lei- 
berg 88, Blue Earth Co.; Sandberg 555, Chisago Lake. 
SPOROBOLUS R. Br. Prodr. 169 (1810). 
Vilfa P. Beauv. Agrostogr. 16 (1812). 
Agrosticula Rapp, Agrost. Bras 33 (1823). 
Triachyrum Hocaust. Steud. Syn. Glum. I, 176 (1855). 
Cryptostachys STevp. Syn. Glum. I, 181 (1855). 
Diachyrium GRrisEB. PI. Lorentz. 209 (1874). 
Spermachiton Luan. Frag. Phil. 25 (1851). . 
Benth. and Hook., Gen. Pl. III, 1148; Durand, Ind. Gen. Phan. 470: 
Engler and Prantl, Nut. Pflanz. 2, II, 49 (Hackel). 
Living species: 80; temperate and tropical America; 
some in warmer Africa; Asia; 1 in S. Europe. U.S., 31; Atl. 
states, 12; Pac. states, 5-6; Texas and Arizona region, 24; 
Rocky Mts., 10; Canada, 6-7. 
Sporobolus cryptandrus (Torr.) GRay, Man. ed. 2, 542 
(1852). 
Agrostis cryptandra Torr. Ann. Lyc. N. Y. I, 151 (1824). 
Vilfa cryptandra TRIN. Agrost. I, 47 (1840). 
Wats. and Coult., Gray’s Man. 6 ed. 646: Mac., Fl. Can. II, 197; Webb., 
Fl. Neb. 104; Wats., Fl. Calif. II, 268; Coult., Fl. Colo. 411: Mace., Fl. Can. 
TI, 391; Wats., King Exp. 375: Upham, Fl. Minn. 160: Vas., Mon. 62. 
North America: Ont. to Assiniboia and Brit. Col.; S. 
to N. Eng., Minn., Kan., Neb., Tex., N. Mex.; W. to Colo. and 
Oregon. 
Minn. valley: Forest district and S. W.; dry or waste 
places. 
HERB.: Oestlund 223, 224, Hennepin Co. 
Sporobolus heterolepis GRay, Man. ed. V, 610 (1868). 
Vilfa heterolepis GRAY, Ann. Lyc. N. Y. III, 233 (1836). 
Wats. and Coult., Gray’s Man. 6 ed. 646; Webb., Fl. Neb. 104; Mac., 
Fl. Can. IT, 198; Upham, Fl. Minn. 160; Cov., Fl. Ark. 235; Vas., Mon. 62. 
North America: Ont., Georgian Bay, N. W. Man. and 
Assiniboia; S. to Conn, N. Y., Penn.; W. to Minn., Neb., Mo. 
and Texas. 
Minn valley: Forest district and westward; infre- 
quent; dry or sandy places; along railways. 
HeErs.: Sheldon 1368, Verdi, Lincoln Co. 
