40 



MISC. PUBLICATION 200, U. S. DEPT. OF AGRICULTURE 



southern Sierra Nevada of California; 

 Nevada (Lake Tahoe). 



14. Bromus orcuttianus Vasey. 

 (Fig. 13.) Culms 80 to 120 cm. tall, 

 erect, leafy below, nearly naked 

 above, pubescent at and below the 

 nodes; sheaths pilose or more or less 

 velvety or sometimes glabrous; blades 

 rather short and erect; panicle 10 to 

 15 cm. long, narrow-pyramidal, the 

 few rather rigid short branches finally 

 divaricate; spikelets about 2 cm. long, 

 not much flattened, on short pedicels; 

 glumes narrow, smooth, or scabrous, 



the first 6 to 8 mm. long, acute, 1- 

 nerved, or sometimes with faint lat- 

 eral nerves, the second 8 to 10 mm. 

 long, broader, obtuse, 3-nerved; lem- 

 mas 10 to 12 mm. long, narrow, in- 

 rolled at margin, obscurely nerved, 

 scabrous or scabrous-pubescent over 

 the back; awn 5 to 7 mm. long. % 

 — Open woods, Washington to Cali- 

 fornia; Arizona. 



Bromus orcuttianus var. hallii 

 Hitchc. Blades soft-pubescent on both 

 surfaces; glumes and lemmas pubes- 

 cent. % — Dry, mostly wooded 



Figure 13. — Bromus orcuttianus, X 1. (Type.) 



