318 
am „„ 
Fic. 614. ELYMUS MACOUNII y, Bul. Torr. pot Gin a 
MACOUN'S LYME-GRASS.—A ni. epee ih smooth, exsPi Undriel 
3-8 dm. (1°-23°) high, with narrow, erect leaves and slender, 
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usually pilose at least on the upper surface. enis 1 e 02 7 ower 
glumes (a) 2 (orsometimes3), e eee e, usually 3-D Tv ing gue! P 
long, scabrous, awned, the awn often as long as the glume; 40 a exceed 
8-10 mm. (4%5%/ d A bearing a slender awn nr od nd | 
the scorn in length.—Rather moist soll, South Dakota to Co 
vin a, feli to August 
