76 METASPERMAE OF THE MINNESOTA VALLEY. 



Minn, valley: Throughout; frequent; riverbanks and 

 lake shores. 



Herb. : Sheldon 1207, New Ulm; Sheldon 1089, Spring- 

 field ; Ballard 484, Prior's Lake, Scott Co. ; Sandberg 578, 

 Goodhue Co. 



EATONIA Raf. Journ. Phys. LXXXIX. 104 (1819). 

 Keboulea Kunth, Rev. Gram. 341 (1835). 

 Colobautlms Trin. Mem. Acad. Petr. 6, II, 66 (1845). 

 Benth. and Hook., Gen. PI. III. 1181; Engler and Prantl, Nat. 

 Pflanz. 2, II, 70(Hackel : Durand, Ind.Gen. Phan. 476. 



Living species: 3; N. America. E. Sts., 3; Canada, 2; 

 Rocky mts., 1; California, 1; S. Sts., 3; PL Wheel., 1; PI. 

 King., 1. 



Eatonia obtusata (Michx.) Gray, Man. ed. V. 626 (1868). 



Aira ohtusata Michx. F1. N. Am. I, 62 (1803). 

 A. truncata Muhl. Gram. 83(1817). 

 fBebouleu gracilis Kunth, Enum. (1833). 

 Koekria truncata Tokk. F1. N. Y. II, 469 (1843). 

 Beboidea ohtusata Gray, Man. ed. I, 591 (1848). 

 Wats, and Coult., Gray's Man. 6 ed. 659 : Britt., Fl. N. J. 293 ; Webb., 

 Fl. Neb. 102: Mac, Fl. Can. II, 218, 394; Coult., Fl. Colo. 419; Wats. Fl. 

 Calif. II, 302: Chap., Fl. So. St. 560: Upham, Fl. Minn. 166: Engl., Hackel, 

 Nat. Pflanz. II, 2, 70: Wats., King Exp. 383; Roth., Wheel. Exp. 289; Cov., 

 Fl. Ark. V36. 



North America: N. Penn. and N. J. to Fla. ; W. to 

 Lake Huron, Minn., Saskatchewan, Oregon and Arizona. S. to 

 Ark. and N. Mex.. 



Minn, valley: Forest district and S. W. ; dry soil and 

 openings in forest. 



Herb. : Sheldon 867, Sleepy Eye; Leiberg 96, Rock Co. 



Eatonia peiinsylvanica (DC.) Gray, Man. ed. V. 626 (1868). 

 Koeleria [.') 'penniojlvanica DC. Cat. Monsp. (1813). 

 Aira mollis Muhl. Gram. 81 (1817). 

 A. trijlora Ell. Sk. I, 154(1821). 

 ?Pehoulea yrucilis Kunth, Enum. (1833). 

 li. 2)cnns!ilr<unca Gray, Man. ed. I, 591 (1848). 

 Wats, and Cmilt., Gray's Man. 6 ed. 660; Britt., Fl. N. J. 293; Mac, Fl. 

 Can. II, 218; Webi)., Fl. Neb. 102; Upham, Fl. Minn. 166; Chap., Fl. So. 

 St. 560; Engl., Hackel, Nat. Pllanz. II, 2, 70; Mac, Fl. Can. II, 2, 394; 

 Cov., Fl. Ark. 236. 



North America: N. Br. to Carolinas; W. to Man., 

 Hudson Bay, Brit Col. and Rocky mts.; S. to Neb., Nev., Ark. 

 and Tenn. 



Minn, valley: Forest district and S. VV. ; meadows 

 and open, damp woodland. 



