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SOME COLORADO GRASSES. 
EUROTIA LANATA (Moq.). 
(White Sage or Winter Fat.) 
An under-shrub (stellatelty tomentose ) growing on dry, 
•deep soils, from a stout tap-root; stems virgate, densel} r 
flowered at the apex; leaves linear to lanceolate, white 
tomentose, with revolute margins; flowers in spicate 
•clusters; fruiting tracts nearly covered with four dense 
tufts of whitish, spreading hairs, and beaked- above with 
two short horns. 
This well-known plant grows only on the best soils 
and in dry situations, retaining its foliage and fruit 
through the winter, which are considered valuable for 
fattening stock. 
ANALYSIS. 
Moisture_ 9.80 
Ash_ 9.00 
Fat_ 4.52 
Albuminoid nitrogen_ 12.27 
Crude fiber_ 17.30 
Nitrogen-free extract_56.89 
Total_100.00 
LUPINUS ARGENTENS (Pursh). 
Stems tall, hoary, yellow-green; leaflets six to six, 
linear, lanceolate, smooth above; flowers pale or dark 
blue, standered with darker spots in two irregular rows; 
inner margin of keel villous with spreading hairs; seeds 
two to six. 
This is a tall species; nearly out of bloom July 12th. 
LUPINUS ARGENTENS (Pursh), var. ARGOPHYL- 
LUS (Watson). 
This differs from the species in the leaves being hairy 
on both sides, spurred calyx, and somewhat larger flowers, 
-and by its blooming somewhat earlier. 
O 
