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



blades flat, short, 3 to 5 mm wide, pubescent on both surfaces; spike 

 mostly 3 to 6 cm long, sometimes longer; spikelets usually closely 

 imbricate; glumes rather broad and flat; lemmas pubescent, awnless 

 or nearly so. 91 Alpine regions, Montana to Labrador and Alaska. 

 15. Agropyron bakeri E. Nels. BAKER WHEATGRASS. (Fig. 460.) 

 Kesembling A. subsecundum; culms erect, mostly 50 to 100 cm tall, 



FIGUEE 457. Agropyron pauciflorum, 

 XI. (Shear 404.) 



FIGURE 458. Distribution of 

 Agropyron pauciflorum. 



FIGURE 459. Agropyron latiglume, 

 X3. (Type.) 



FIGURE 460. Agropyron bakeri, X 1. 

 (Hitchcock 1686, Colo.) 



rather loosely tufted; spike mostly 5 to 12 cm long, the spikelets 

 rather loosely imbricate; awns divergently curved when dry, 1 to 4 

 cm long. 91 Open slopes, upper altitudes, northern Michigan; 

 Alberta to Washington and New Mexico (fig. 461). 



16. Agropyron pringlei (Scribn. 'and Smith) Hitchc. (Fig. 462.) 

 Culms tufted, decumbent at base, 30 to 50 cm tall, the basal sheaths 



