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



FIGURE 304. Distribution of 

 Eragrostis orcuttiana. 



rachilla often exposed, narrow, acutish, the lower 1.8 mm long; grain 



0.8 mm long, o Fields, waste places, and sandy river banks, 

 Oregon (ballast. Portland) and Nevada to Ari- 

 zona and California (fig. 304). 



22. Eragrostis lutescens Scribn. (Fig. 305.) 

 Annual; culms freely branching at base, erect or 

 ascending, 5 to 20 cm tall; sheaths and blades 

 with numerous glandular depressions; blades 

 flat; panicles numerous, narrow, erect, pale or 

 yellowish green, 2 to 10 cm long, the branches 

 ascending or appressed, beset with glandular 



depressions; spikelets 6- to 10-flowered, 5 to 7 mm long, compressed; 



glumes acute, 1.5 and 2 mm long; lemmas about 2 mm long, acute, 



the nerves prominent ; 



palea 1.5 mm long, o 



Sandy shores, Idaho 



to Washington, south to 



Arizona and California 



(fig. 306). 

 23. Eragrostis cili- 



anensis (All.) Link. 



STINKGRASS. (Fig. 307.) 



Weedy annual with dis- 

 agreeable odor when 



fresh; culms ascending or 



spreading, 10 to 50 cm 



tall, with a ring of glands 



below the nodes; foliage 



sparsely beset with glan- 

 dular depressions, the 



sheaths pilose at the 



throat; blades flat, 2 to 7 



mm wide; panicle erect, 



dark gray-green to tawny, 



usually rather condensed, 



sometimes, especially in 



the Southwest, open, 5 to 



20 cm long, the branches 



ascending ; spikelets ob- 

 long, compressed, 10- to 



40-flowered, 5 to 15 mm 



long, 2.5 to 3 mm wide; 



lemmas in side view 



ovate, acutish, about 2.5 mm long, 1 mm wide from keel to> 

 margin, the keel scabrous toward apex and 

 beset with a few glands, the lateral nerves 

 prominent; palea about two-thirds as long as 

 the lemma, minutely ciliate on the keels ; grain 

 ovoid, plump, 0.7 mm long; anthers 0.5 mm long. 

 O (E. major Host; E. megastachya Link.) 

 Cultivated ground, fields, and waste places, 

 Maine to Washington, south throughout the 

 United States, sparingly in the Northwest, 



absent from the higher mountains ; Mexico and West Indies, south to 



Argentina; introduced from the Old World. 



FIGURE 3Q5.Eragrostis lutescens. Plant, X 1 A', floret, X 10. 

 (Type.) 



FIGURE 306. Distribution of 

 Eragrostis lutescens. 



