344 



GRASSES OF IOWA. 



North America. .Maine to Virginia and westward to Illinois and 

 Nebraska. 



3. ELYMUS MACOUNII. 



E ly mus Macoanii V asey. Bull. Torr. Bot. Club. 13: 119. 1886. Beal. 

 Grasses N. A. 2: 653.1896. Nash in Britton aad Brown. 111. Fl. 1: 231. f.537 . 

 1896. Scribner. Bull. U. S. Dept. Agrl. Div. Agros. 17: 318. /. 614. 1899* 



DESCRIPTION. 



Macoux j s Lyme Grass. A slender, upright, smooth, caespitose 

 perennial, i to 3 feet (3-8 dm.) high, with narrow er~r*- leaves, and 

 slender, nearly cylindrical spikes, 3 to 5 inches (6-10 cm.; long. Spike- 



fa fiat JUL m . ymuiMa A C0 ^ nii -^ ^Pty glumes; Fig. 244. Elymus Arkansanus-z, flowering glume- 

 U. S Dept ? AgnT S - <DiV Agr ° S * b ' em ^ lume - (*>"■ Agros. U. S. Dept. Agrl.) 



