46 



MISC. PUBLICATION 200, TJ. S. DEFT. OF AGRICULTURE 



internodes, softly retrorsely pilose; blades pubescent on both sur- 

 faces, mostly 3 to 6 mm wide; panicle mostly not more than 10 cm 

 long, few-flowered, drooping; lemmas scabrous to nearly smooth; 



Figure 28— Bromus anomalus, X 1. (Pammel, Colo.) 



awn 5 to 7 mm long. % — Among brush, Texas (Bexar County 

 and Corpus Christi) apparently rare; northern Mexico. 



19. Bromus anomalus Rupr. Nodding brome. (Fig. 28.) Culms 

 slender, 30 to 60 cm tall, the nodes pubescent; sheaths sparsely 

 pilose to glabrous; ligule about 1 mm long; blades scabrous, mostly 

 2 to 4 mm wide; panicle about 10 cm long, 

 often less, few-flowered, drooping; first glume 

 3-nerved, the second 5-nerved, lemmas about 

 12 mm long, evenly and densely pubescent over 

 the back; awn 2 to 4 mm long. % (B. porteri 

 Nash.) — Open woods, Saskatchewan and Idaho, 

 to western Texas, southern California, and 

 Mexico (fig. 29). 



Bromus anomalus var. lanatipes (Shear) 

 Hitchc. More robust, with woolly sheaths and usually broader 

 blades. % (B. porteri lanatipes Shear.) — Colorado to western 

 Texas and Arizona. 



20. Bromus kalmii A. Gray. (Fig. 30.) Culms slender, 50 to 

 100 cm tall, usually pubescent at and a little below the nodes; sheaths 

 usually shorter than the internodes, pilose or the upper glabrous; 



Figure 29.— Distribution of 

 Bromus anomalus. 



