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; gram 

 0.8 mm long. © — Fields, waste places, and sandy river banks, 



Oregon (ballast, Portland) and Nevada to Ari- 

 ~7N 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. 

 © {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. 



Figuke 305.— Eragrostis lutescens. Plant, 



(Type.) 



floret, X 10. 



Figure 306.— Distribution of 

 Eragrostis lutescens. 



