196 
/ ca 
= 
3 
1G. 492, CALAMAGROSTIS MACOUNIANA Vasey, Contr. U. 8. f 
3: 81. 1892. (Deyeuxia macouniana Vasey, Bot. 10: 297. 1885.) high, 
REED-B ENT.—A slender, erect, leafy perennial, 4.5-9 dm. (14°-8°) © 
AITO and narrow thes 
5 acut a 
least on the keel; flowering glume (b) a li g the second om 
thin-membranceous, with hyaline margins and apex; awn 9 
slightly : above the middle, straight, eq ualing im rapi mesi Callus 
aline, glabrou® sion 
nent, its hairs , soft, about 2 as glume 
copious 5 marsbe ^ r 
Fachille (c) very short and slender.—Moist sandy soil, borders of I 
Assini Missouri, Montana a Washi us 
ies is m C. ca 
allied, = its usually stricter habit. vov. more co 
panicles, and smaller spikelets. 
