68 METASPERMAE OF THE MINNESOTA VALLEY. 



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

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

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

 Eogler 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 eaespUosa (Linn.) Beauv. Agr. 91 (1812). 



Aira caespitosa Linn. Spec. 64 (1753). 

 A. hreviaristata 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 ambigua MiCHX. Fl. N. Am. I, 61 (1803). 

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

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

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

 A. loibeliana 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; (?osmopolitan. 



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. 



AVENA Linn. Gen. 42 (1737). 



Heuftelia Schur. Transsylv. 760 (1866). 

 Helicotriclium Bess. Reich., Fl. Germ. Exc. 140 b (1830). 

 Benth. and Hook., Gen. PI. Ill, 1160: Durand, Ltd. Gen. Phan. 412; 

 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, 73 (1803). 



Tnsetum purpurascens Tour. 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. 



