42 



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



distinctly 3-nerved, the second 3-nerved; lemmas 12 to 15 mm long, 

 densely pubescent all over the back; awn 5 to 7 mm long. % — Dry 

 hills at moderate altitudes, Monterey and Madera Counties, Calif., 

 south to San Diego. 



Figure 18.— Bromus grandis, X 1. (Johnston 1407, Calif.) 



Figure 19.— Bromus pacificus, X 1. (Elmer 1957, Wash.) 



Figure 20.— Bromus laevipes, X 1. (Amer. Gr. Natl. Herb. 866, Calif.) 



12. Bromus pacificus Shear. (Fig. 19.) Culms 1 to 1.5 m tall, 

 stout, erect, pubescent at the nodes; sheaths sparsely pilose; ligule 3 

 to 4 mm long; blades sparsely pilose on upper surface, scabrous or 

 smooth beneath, 8 to 10 mm wide; panicle very open, 10 to 20 cm 



