SOME COLORADO GRASSES. 
39 
FESTUCA ELATIOR (L.). 
(Tall Fescue Grass.) 
Stems smooth, erect, from a geniculate base, 3 feet 
high; leaves narrow, rough on the margin, 3 to 10 inches 
long; ligule very short; panicle slender, narrow, branches 
solitary; outer glumes narrow, long pointed; upper five- 
nerved, lower one-nerved; flowering glume faintly five- 
nerved, obtuse; palet thinner, obtuse or acute. 
An introduced grass occasionly seen in cultivated 
fields. It often attains a height of 2J feet, with irrigation. 
AGROSTIS ALBA (L.). 
(White Bent Grass.) 
Stems slender, smooth, about 3 feet high, geniculate, 
at base; leaves linear, rough, those of the culm 2 or 3 
inches long; ligule elongated, pointed; panicle slender, 
spreading in bloom, purplish in all the mountain speci¬ 
mens, greenish white at lower altitudes; outer glumes 
lanceolate, acute; flowering glume shorter, thinner, 
obscurely three to five-nerved. 
Found abundantly all over the State, in cultivated 
regions. A. vulgaris (red top) differs from A. alba , chiefly 
in the former having a truncate ligule. 
ANALYSIS. 
Moisture 
DURANGO. 
___ 8.31 
FORT COLLINS. 
8.12 
Ash 
— 10.80 
10.80 
Fat .. 
2.31 
2.09 
Albuminiod 
nitrogen 
___ 5.45 
7.10 
Crude fiber - 
___ 19.74 
20.29 
Nitrogen-free 
extract 
_ 61.70 
59.72 
Total- 
_ 100.00 
100.00 
