172 BOTANICAL GAZETTE. [July, 
Junction Butte, alt. 6000 ft., growing with S. viridula, but 
less common. 
yond the geniculations in the type, and more or less curled, In 
S. spartea the panicle is long exserted, the branches strictly erect 
and one to two flowered. In S. comata the base of the somewhat 
spreading one-sided panicle is never entirely free from the upper 
sheath, 
The variety named above resembles some forms of Stipa se- 
tigera Presl., but in that species the palea is hyaline, and scarcely 
one-third as long as its glume There are other characters of 
difference, but this alone will serve to distinguish the two. 
9. (61 ORYZOPSIS ASPERIFOLIA Michx. Fl. 1. 64; Gray, 
Man. p. 617. (Not in Coulter’s Manual.) 
10. (614.) Oryzopsis Ex1aua Thurber in Botany of Wilkes’ 
Exped. p. 481. (Not in Coulter’s Manual. ‘ 
On rocky bare knolls along Slough Creek ; alt. 6700 ft. Not 
seen elsewhere. 
This is a densely tufted grass with slender wiry stems 15-25 
em. high. It has much the habit and appearance of Oryzopsis 
Canadensis Torr., but differs essentially in its simple and con- 
tracted panicle, its shorter outer glumes, and in its longer and 
somewhat persistent awn 
an. 410. Eriocoma cuspidata Nutt. Gen. I, p. 
: i - p. 126.—Sparingly seattere 
