SOME COLORADO GRASSES. 
STIPA CO MATA (Trin). ' 
Stems stout, smooth, 2 to 3 feet high, some of the 
lower joints geniculate; sheaths loose, finely scabrous; 
panicle included at base by the upper sheath; outer 
glumes whitish, three-nerved, about equal, long pointed; 
flowering glume villous at the pointed callus, appressed, 
silky, hairy above; awn 4 to 6 inches long, .stout, twisted 
below, twice bent at the middle, rough. 
This grass is common in dry soils and exposed situa¬ 
tions, up to 8,000 feet. It is readily recognized in early 
summer by its bleached appearance. 
ANALYSIS. 
Moisture_ 7.76 
Ash_ 8.80 
Fat_ 3.37 
Albuminoid nitrogen_ 4.72 
Crude fiber_ 24.92 
Nitrogen-free extract_58.49 
Total_100.00 
STIPA (Species ?). 
Culms tufted from fibrous roots, wiry, purplish, 
smooth, about 2 feet in height; leaves narrow, involute, 
6 to 10 inches long, scabrous above; sheaths shorter than 
the nodes, smooth; ligule almost none; panicle slender, 
erect, 2 to 3 inches long; branches solitary or in pairs, 
appressed to the axis; outer glumes lanceolate, very 
acuminate, membranous, purplish, the lower somewhat 
the longest; flowering glume silky, villous, callus obtuse, 
apex terminating in a twisted, usually twice bent, scabrous 
awn 1 inch long. 
This Stipa was seen but once, near the Lulu Pass, 
growing among rocks in an exposed situation. 
