54 
SOME COLORADO GRASSES. 
ELYMUS CONDENSATUS (Presl.). 
(Giant Rye Grass.) 
Culms large, coarse, 6 to 12° high ; sheaths rough; 
also, leaves on both sides; flowers in a rigid spike less 
than 10'; spikelets three to five, sessile at . each joint, 
three to five-flowered; outer glumes scabrous, bristle like, 
shorter than the glume; flowering glume five-nerved, 
mucronate, having palet shorter than its glume. 
A coarse grass; cut early for hay, otherwise of but 
little value. 
[See cut on opposite page.] 
ELYMUS SIBERICUS (L.). 
Stems tufted, very leafy, 2 to 3 feet high; leaves 
large, glabrous or scabrous; spike erect, nodding with 
age; spikelets in pairs or rarely solitary; ligule very 
short; sheaths shorter than the nodes ; outer glume subu¬ 
late, setaceous, rough; flowering glume five-nerved,.scab¬ 
rous above and terminating in a rough, straight awn; 
palet obtuse or two-toothed at apex, ciliate on the nerves. 
This grass grows in stout tufts in rocky soils and 
arid situations. It is considered to be valuable, by 
dairymen, for winter feed. 
ANALYSIS. 
Moisture_ 7.93 
Ash_ 10.25 
Fat_ 2.62 
Albuminoid nitrogen_ 5.24 
Crude fiber_20.85 
Nitrogen-free extract_61.04 
Total_400.00 
