SOME COLORADO GRASSES. 
83 
MUHLENBERGIA GRACILIS (Trin.). 
Stems rigid, 1 to 2 feet high; leaves filiform, pale, 
very scabrous; sheaths also finely scabrous, longer than 
the inter-nodes; ligule elongated, long pointed; panicle 
slender, 3 to 6 inches long, bronzed or blackish; rays 
solitary, erect; lower outer glume acute, upper three¬ 
toothed, both scarious and rough on the nerves; flowering 
glume scabrous above, villous at the small callus, apex 
terminating in a slender, rough awn; palet hairy, equal¬ 
ing the glume and of similar texture. 
A dry land grass, of possible value, growing in the 
clefts of rocks in the mountains. 
ANALYSIS. 
Moisture_ 8.12 
Ash_>.-_ 5.12 
Fat_ 2.59 
Albuminoid nitrogen_ 6.85 
Crude fiber_ 25.72 
Nitrogen-free extract__59.72 
Total_-.-100.00 
MUHLENBERGIA GRACILIS, var. BREVIARISTATA (Vasey). 
Stems tufted, growing in circular patches, which decay 
in the centre, the bases clothed with the sheaths of dead 
leaves; leaves 1 to 3 inches long, erect, narrow, involute, 
scabrous; sheaths loose, with broadly scarious margins; 
ligule large, pointed or lacerate ; panicle 1 to 4 inches 
long; branches solitary or in pairs, each with one to three 
spikelets; outer glumes scarious, the lower keeled, acute, 
the upper three-nerved and three-toothed, both scabrous 
on the nerves; flowering glume three-nerved, scabrous, 
hairy on the nerves below the middle, apex mucronate; 
palet similar, acute, shorter than the glume. 
This form is abundant on dry, gravelly hillsides, at 
8,000 feet. Its value has not been determined. 
