991 
25e Oryzopsis lMichx,. Mountain Rice, 
Short perennials with narrow panicles, Spikelets 1-flowered, the 
rachilla disarticulating above the Slumes; glumes equal, obtuse or 
abruptly acute; lemmas about as long as the glumes, indurate, sparsely 
pilose, with a short, blunt, pilose callus, avmed, (in our species fron 
between the teeth of a bifid apex), the awns short, deciduous; palea 
indurate, as long as and inclosed by the lemma. 
© Glumes 1-5 nerved, 4-5 m, long; blades involute le O. exigua 
oGlumes 7-9 nerved, 6-8 mm, long; blades broad and flat 2e Oe asperifolia 
le O. exigua Thurb,. Culms densely tufted, about 30 cme tall; sheaths smooths 
ligules acuminate, 4 ma, long; blades firm, involute, scabrous, 5-10 em, 
longs; penicles narrow, few-flowered, 4-8 om, long, the branches appresseds 
glumes broad, 1-5 nerved, 5 mm, long, scabrous; lemmas as long as or a 
little longer than the glumes, the teeth blunt, 1 mm. long, the awn 6-7 IM.» 
long, twisted below, geniculate at right angles or even recurved, 4 mn, long 
above the bend, 
Ledges and crevices of rocks, Divide betwe Mullan and Canyon Cr,, 
5100 ft.; Clearwater Nat. “or, 
Ze Oe asperifolia l!ichx, Culms in small dense tufts, the fertile ones spreading 
or vros-rate, nearly leafless; blades on the innovations erect, elongate, 
narrowed toward both ends, 4-8 mm, wide, scabrous on the margins; panicle 
narrow, 5-8 cm, lonz, few-flowered, the b:anches appressed; glumes 6-8 m, 
long, broad, abruptly pointed, 7-9 nerved, more or less reticulate-veined; 
lemma about as long as the glumes, pubescent, the awn straight, 5-10 m, 
long. 
bry open woods, +onners «erry, Christ 1025, 
