68 METASPERMAE OF THE ‘MINNESOTA VALLEY. 
Peyritschia FournN. Gram. Mex. 109 (1880). 
Campella GRISEB. ex Dur. 1. c. (1888). 
Benth. and Hook., Gen. Pl. III, 1157; Durand, Ind. Gen. Phan. 472; 
Engler and Prantl, Nat. Pflanz. 2, LI, 54 (Hackel). 
Living species: 20; cosmopolitan; in tropical mts. 
Europe, 11; Russia, 7; N. America, 8; California, 5; Canada, 
6-7; Rocky mts., 4; S. Sts., 1; E. Sts., 8. 
Deschampsia caespitosa (Linn.) Beauv. Agr. 91 (1812). 
Aira caespitosa LINN. Spec. 64 (1753), 
A. breviaristata GILIB. Exerc. Phyt. II, 528 (1792). 
A. altissima MoENCH, Meth. 182 (1794). 
Calamagrostis arundo Roto. Tent. Germ. II, 88 (1789). 
C. leersii KoeL. Gram. 107 (1802). 
Aira ambigua Micux. Fl. N. Am. I, 61 (1803). 
Campella caespitosa LINK, Hort. Berol. I, 122 (1827). 
Avena caespitosa GRIS. K. Schr. 52 (1836). 
A. stolonifera HAusM. FI. Tir. 980 (1851-55). 
A. wibeliana Scour. Oe. Bot. Zeit. IX, 326 (1859). 
A, hartmanniana Nym. Consp. Fl. Eur. 807 (1882). 
Wats. and Coult., Gray’s Man. 6 ed. 652; Britt., Fl. N. J. 290; Mac 
Fl. Can. IT, 209; Coult., Fl. Colo. 414; Wats, Fl. Calif. II, 297; Upham, 
Fl. Minn. 171; Richt., Pl. Bur. I, 56; Led., Fl. Ross. IV, 421; Engl. Hack- 
el, Nat. Pflanz. II, 2, 54; Hook., Fl. Gt. Brit. 483; Trautv., Fl. Sib. 141. 
Europe and Asia; cosmopolitan. 
North America: Newf. and N.S. to Peace river val- 
ley and Alaska; S. to N. Eng., N. J. and W. across cont. to 
California. 
Minn. valley: Forest district to Blue Earth Co.; rare; 
shores of streams and lakes. 
Hers.: Bailey 424, Fall Lake. 
AVENA Linn. Gen. 42 (1787). 
Heuffelia Scuur. Transsylv. 760 (1866). 
Helicotrichum Bess. Reich., Fl. Germ. Exc. 140 b (1830). 
Benth. and Hook., Gen. Pl. III, 1160; Durand, Ind. Gen. Phan. 472; 
Engler and Prantl, Nat. Pflanz. 2, II, 55 (Hackel). 
Living species: 50; temperate regions, especially in 
the Old World. Europe, 39; Russia, 22; N. America, 2-3; Can- 
ada, 2; California, 1; E. Sts., 2; Rocky mts., 1; Pl. King, 2. 
Avena striata Micux. Fl. N. Am. I, 73 (1808). 
Trisetum purpurascens Torr. Fl. U.S. I, 127 (1824). 
Wats. and Coult., Gray’s Man. 6 ed. 673; Britt., Fl. N. J. 291; Mac., 
Fl. Can. IT, 213; Coult., Fl. Colo. 415; Upham, Fl. Minn. 171. 
North America: N.S., N. Br., Q., Ont., Man., Brit. 
Col. and Rocky mts.; S. to N. Eng., N. Y. and N. J.; W. to 
Minn. and Colo. 
