No. 13. 

 STIPA SETIGERA Presl. Eel. Hamk. i. 226. 



Plant perennial, tufted, somewhat bulbous at base. 



Culms erect, slender, terete, slightly hispid or smooth, pubescent at the nodes, 2 

 to 3 feet high. 



Leaves from the base, narrow, filiform- involute, 10 to 20 inches long. Leaves of culm 

 usually 3 ; lower sheaths close and shorter than the internodes, upper ones usually loose 

 and longer, hispidulous, often ciliate at the throat; blades flat or involute, 2 lines wide 

 at base, hispid on both surfaces or nearly smooth below, 6 to 10 inches long; ligule 

 membranaceous, obliquely truncate, 1 line long. 



Inflorescence a loose, flexuous panicle 6 to 12 incbes long, usually included at the 

 base; branches mostly in pairs or threes, often pubescent at the axils, spreading, flexu- 

 ous, subdivided, and bearing on scabrous pedicels 3 to 12 spikelets beyond the middle, 

 or the shorter ones spikelet-bearing nearly to the base. 



SpiJcelets lanceolate, 1 -flowered; empty glumes slightly spreading, narrowly-lanceo- 

 late, convex and purple below, carinate, white and membranaceous above, slightly 

 hispid on the keel, 3-nerved or the upper rarely 5-nerved, 6 to 9 lines long, nearly 

 equal or the upper 1 to 2 lines shorter; stipe curved, acute, bearded, 1 line long; floret 

 spindle-shaped, constricted below the ciliate apex, gibbous 3 to 1 lines long, § line 

 thick; floral glume chartaceous, tuberculate-roughened, clothed with appressed brittle 

 hairs, naked except the nerves at maturity, 5-nerved; awn pubescent, especially below, 

 purple or gold-color, flexuous, 3 inches long; palet ovate, § line long; lodicules minute; 

 anthers bearded at apex; grain spindle-shaped, light yellow, 2^ lines long. 



Plate XIII; a, spikelet enlarged about twice; b, empty glumes; c, floret. 



California, chiefly south of the Sacramento Valley. It lias evidently been con- 

 fused with *S'. eminens and 8. leucotricha, and lias thus been spoken of as having a 

 wider range. Prof. Brewer speaks of it as a valuable "bunch-grass" of the dry foot- 

 hills. 



