68 METASPERMAE OF THE MINNESOTA VALLEY. 



Peyritschia FOURN. Gram. Mex. 109 (1880). 

 Campella GRISEB. ex Dur. 1. c. (1888). 



Benth. and Hook., Gen. PI. Ill, 1157; Durand, Ind. Gen. Phan. 472; 

 Engler and Prantl, Nat. Pflanz. 2, II, 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., 3. 



Deschampsia caespUosa (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 ROTH. Tent. Germ. II. 88 (1789). 

 C. leersii KOEL. Gram. 107 ( 1802). 

 Aira amUgua MICHX. Fl. N. Am. I, 61 (1803). 

 Campella caespitosa LINK, Hort. Berol. I, 122 (1827). 

 Avena caespitosa GRIS. K. Schr. 52 (1836). 

 A. stolonifera HAUSM. Fl. Tir. 980 (1851-55). 

 A. wibeliana SCHUR. 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. II, 209; Coult., Fl. Colo. 414; Wats , Fl. Calif. II, 297; Upham, 

 Fl. Minn. 171; Richt., PI. Eur. 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. 



HERB. : Bailey 424, Fall Lake. 



ATENA LINN. Gen. 42 (1737). 



Heuffelia SCHUR. 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; PI. King, 2. 



Avena striata MICHX. Fl. N. Am. I, 7.3 (1803). 

 Tfisetum 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. II, 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. 



