52 
SOME COLORADO GRASSES. 
BROMUS UNIOLOIDES (Willd). 
(Schrader’s Grass. Syn.—B. Schraderi; Festuca Unioloides.) 
Culms erect, smooth, 3 feet high; sheaths loose and 
glabrous ; leaves flat, linear, scabrous on both sides; ligule 
very short; panicle loose, rigid, compound; branches in 
2s or 3s, very scabrous; spikelets two-edged, very flat, 
about ten-flowered; outer glumes unequal, acute, the 
lower four or five-nerved, the upper about seven-nerved, 
canescent with silky, spreading hairs, both with scarious 
margins; flowering glume similar, about nine-nerved, the 
keel terminating in a rough, straight awn; palet equal, 
acutely two-toothed. 
This species in a natural meadow at Virginia Dale. 
ANALYSIS. 
Moisture_ 8.00 
Ash_ 7.58 
Fat_ 4.70 
Albuminoid nitrogen_ 8.26 
Crude fiber_ 26.00 
Nitrogen-free extract_53.46 
Total_100.00 
BROMUS MEXICANA (Beal). 
Culms 2° high; nodes frequently geniculate; leaves 
almost smooth; sheaths and leaves silky, villous; panicle 
nodding, loose and open; branches in 5s, rough; 1 to 2 
spikelets on extremity of each branch, V long on longish, 
fl'exuous, slender pedicels; glumes all strongly nerved; 
outer glume three-nerved; upper glume seven to nine- 
nerved ; flowering glume cleft at apex, rough and short. 
The diverging awn is the most noticeable feature of the 
florets-. 
