MANUAL OF THE GRASSES OF THE UNITED STATES 



65 



Figure 51. — Festuca arida. Plant, X H; spikelet, 

 X 5. (Type.) 



glabrous, the blades loosely involute, 

 mostly less than 4 cm. long; panicle 

 narrow, 2 to 5 cm. long, the branches 

 appressed or the lowermost somewhat 

 spreading; glumes about equal, gla- 

 brous, 5 to 6 mm. long; lemmas 

 densely woolly, about 5 mm. long; 

 awn 5 to 10 mm. long. O — Sandy 

 or dry ground, rare, eastern Washing- 

 ton and Oregon, southwestern Idaho, 

 northeastern California, and western 

 Nevada. 



10. Festuca reflexa Buckl. (Fig. 

 52.) Culms 20 to 40 cm. tall; sheaths 

 glabrous or pubescent; blades nar- 

 row, flat to subinvolute, 2 to 10 cm. 

 long; panicle 5 to 12 cm. long, the 

 solitary branches and the spikelets all 

 at length divaricate; spikelets mostly 

 1- to 3-flowered, 5 to 7 mm. long; first 

 glume 2 to 4 mm. long, the second 4 

 to 5 mm. long; lemmas glabrous or 

 scaberulous, 5 to 6 mm. long; awn 

 usually 5 to 8 mm. long. O — 

 Mesas, rocky slopes, and wooded 



hills, Washington to southern Cali- 

 fornia, east to Arizona and Utah. 



11. Festuca microstachys Nutt. 

 (Fig. 53.) Resembling F. reflexa; 

 glumes glabrous; lemmas pubescent. 

 — Open ground, Washington to 

 California; rare. 



Figure 52. — Festuca reflexa. Pani- 

 cle, X Vz ; spikelet , X 5. (Brande- 

 gee 71, Calif.) 



Figure 53. 



-Festuca microstachys. Spikelet, X 5, 

 (Allen, Calif.) 



