PLANTS COLLECTED BY DR. GAMBEL. 187 
About a span high. Leaves and sheathes minutely puberulous. Leaves short and 
narrow. Panicle spreading; flowers very deciduous. Glumes minute, unequal 
and obtuse, membranaceous, with from one to four nerves. Pale dark purple, the 
lower somewhat carinate; pilose at base, terminating in an arachnoid purple awn, 
about an inch in length; the upper palea also purple and indurated, its two nerves 
often ending in two short awns. 
Has. Santa Barbara, Upper California, and the island of Santa Catalina. 
CALAMAGROSTIS. 
§ *Tricnacrostis.—Spikelets one-flowered, the flower sessile, with long hairs 
at the base. Glumes two, subequal, membranaceous, acute, longer than the flower, 
the lower with a short terminal awn. Palex two, very acute, the lower carinate, 
_ ending in an exserted capillary awn; the upper one-nerved, acuminate. Caryopsis 
free, cylindric-oblong, much shorter than the glume. 
C. *anpina. A simple stemmed small grass, with a compressed culm, about two or three feet high; 
ligules minute; flowers in a short, paniculate, narrow spike, about three or four inches long, half an 
inch wide, with a habit very distinct from the general character of the genus; glumes very long and 
slender, each with about a single nerve; very narrow and membranaceous; one of them distinetly 
awned, the other acuminate; pappus copious, longer than the small flower; no lateral rudiment of 
another flower. 
Has. In Upper California, on the Colorado of the West. 
FESTUCA. 
§ *CuLoropsis.—Spikelets unilateral, two-flowered, or with the third abortive; 
hermaphrodite, distichal. Glumes two, carinate, unequal. Paleze two, the lower 
lanceolate, hirsute and concave, ending in a long, slender awn; the upper bicarinate. 
Stamens one. Ovary sessile. Styles two, very short, with plumose stigmas. 
Caryopsis lanceolate, smooth, concave above, nearly free—A slender Californian 
annual grass, with a simple filiform culm, ending in a small, nearly simple, spiked 
panicle ; the spikelets sessile on a continuous, angular rachis, at length cernuus. So 
closely allied to the Cutorme4, that at first I imagined it would prove a species of 
Eutriana ; it is still, however, a Festuca in habit. 
F. *mrorostacuys. A slender pubescent grass, about a span high, upper part of the rachis simply spiked, 
the lower part, with two or three similar branches ; rachis and palez hirsute ; glumes, the lower three- 
nerved, the upper one-nerved; awn of the palee about twice its length; caryopsis large, filling 
up the palea. 
Has. Pueblo de los Angeles, Upper California. 
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