146 The Botanical Gazette. t Ma y» 



its glume, narrow, thin, green on the strongly angled keels: 

 anthers 3, styles 2, filaments and styles projecting beyond the 

 apex. 



Orcuttia Greene! n. sp. — Apparently annual, culms cespi- 

 tose, many from one root, erect, finely pubescent, 8 to 10 inch- 

 es high, with 8 or 10 nodes: sheaths shorter than internodes, 

 loose, the lower ones particularly so, pubescent and striate: 

 leaves erect, rigid, narrow, 1 to \\ inches long, pungently 

 pointed, the upper sheathing the base of the panicle: panicle 

 2 to 3 inches long, somewhat flattened, of 10 to 15 contigu- 

 ous spikelets: spikelets flattish, \ to \ inch long, of 5 to lo 

 flowers; empty glumes two-thirds as long as the flowering 

 ones, all sparsely pubescent, green, oblong, with strongly 

 toothed apex; flowering glumes 2 to 2£ lines long, with about 

 5 sharp teeth at apex, folded excentrically; palet as long as its 

 glume, narrow, strongly 2-keeled and hispid on the keels. 

 Collected on moist plains of the upper Sacramento, near 

 Chico, California, June, 1890, by Prof. E. L. Greene. 



Eragrostis spicata n. sp. — Culms perennial from strong 

 rhizomes, erect, rigid, 3 to 4 feet high: leaves distant, rigid, 



^iv^, CW -^ l^L lllj^ 



erect, 10 to 15 inches long, involute toward the apex, sheaths 

 longer than the internodes, ligule inconspicuous: panicle spike- 

 like, very narrow, cylindrical, densely flowered, 10 to 1*> 

 inches long, tapering at top, branches closely appressed: spike- 

 lets about 3-flowered, 1 line long; empty glumes half as long, 

 the upper broader, both obtuse or truncate, short ciliate on 

 the keel; flowering glumes 3-nerved, short-falcate. — Collected 



at San Jose del Cabo, Lower California, by T. S. Brandegcc 



1890. 



Muhlenhergia Alamosa* n. sp. — Perennial, tufted: culms 



numerous, compressed or angled, erect, 2 to 2i feet high, 



wiry, rarely with 1 or 2 branches near the base, with about o 

 nodes, the upper ones distant: lower cauline leaves erect, short, 

 2 to 3 inches long, the uppermost 8 to 10 inches long, equal- 

 ling the panicle: panicle 4 to 5 inches long, 1 to 2 inches 

 wide, open, the branches in threes or fives below, unequal 

 capillary, the lower third or half naked, the upper part 15 to 

 20-flowered, pedicels short, diverging: spikelets purple, over 

 1 line long; empty glumes ovate-acuminate or awl-pointed, 

 half as long as the flowering glume, which is white barbed be- 

 low on the margins and on the nerves of the palet; awns fl«X* 



