104 
SOME COLORADO GRASSES. 
SETARIA VIRIDIS (Beauv.). 
Culms smooth, leafy; sheaths loose, twisted, hairy oil 
the margins; leaves broad and rough, margins serrulate; 
spike 1 to 3 inches long, cylindrical, nodding, green; 
outer glumes conspicuously greenish-nerved; flowering- 
glume longitudinally striate and finely corrugated under 
a lens. 
In cultivated and waste places everywhere on the 
plains, where it is a well-known weed. 
ANALYSIS. 
Moisture_ 8.00 
Ash_ 12.15 
Fat_ 2.87 
Albuminoid nitrogen_ 8.67 
Crude fiber_ 16.40 
Nitrogen-free extract_ 59.91 
Total_100.00 
SETARIA GLAUCA (Beauv.). 
Stems leafy, flattened, geniculate at base; leaves 
carinate, broad, finely scabrous above, villous at base; 
ligule ciliate; spike cylindrical, tawny; fertile flower, 
transversly rugous. 
Not common in this region. 
ANALYSIS. 
Moisture_ 8.10 
Ash_ 13.32 
Fat_ 4.34 
Albuminoid nitrogen_ 9.46 
Crude fiber_ 16.97 
Nitrogen-free extract_ 55.91 
Total 
100.00 
