SOME COLORADO GRASSES. 
21 
POA FLEXUOSA (Muhl), var. OCCIDENTALIS (Vasey). 
Stems erect, tufted, from running root-stocks, 1 to 2 
feet high; leaves flat, 1 to 4 inches long, hairy above; 
sheaths scabrous, the upper one enclosing the base of the 
panicle; ligule short, with broad, rounded apex; panicle 
slender, spreading with age; branches mostly in 5s, from 
J to 2 inches long, scabrous, flower-bearing about half 
their length; spikelets two to three-flowered, purplish; 
outer glumes nearly equal, acute, the lower one-nerved, 
the upper three-nerved; flowering glume distinctly three 
to five-nerved, webby at the base, villous on the keel and 
margins below the middle, scabrous above; apex acute, 
scarious, and somewhat bronzy ; palet narrow, shorter than 
its glume, distinctly two-toothed. 
This species in the shade of rocks in the foothills, 
flowering early in May. 
ANALYSIS. 
Moisture_ 7.42 
Ash___ 5.91 
Fat_ 2.58 
Albuminoid nitrogen_ 7.05 
Crude fiber_ 17.45 
Nitrogen-free extract_67.01 
Total 
100.00 
