MANUAL OF THE GEASSES OF THE UNITED STATES 



149 



solitary, distant, ascending or spreading, sometimes reflexed, floriferous 

 to base, short, with a few crowded spikelets or as much as 5 cm long, 

 with short branchlets; spikelets nearly sessile, linear, mostly 20- to 50- 

 flowered, 5 to 20 mm long; lemmas closely imbricate, ovate, acute, 1.5 

 to 2 mm long, the lateral nerves f near the margin; grain about 

 0.5 mm long anthers about \L O.lmmlong. o — Sandy woods, 

 dooryards, and waste places, yN/^southern Georgia and Florida. 



Figure 285.— Eragrostis hypnoides. Plant, X Yi, florets, X 10. (Mearns 741, Minn.) 



13. Eragrostis unioloides (Retz.) Nees. (Fig. 288.) Annual; 

 culms erect or ascending, 20 to 40 cm tall; blades flat, 2 to 4 mm wide; 

 panicle elliptic, open, 10 to 15 cm long, about half as wide, the branches 

 ascending; spikelets ovate-oblong, strongly compressed, truncate at 



base, obtuse, 15- to 30-flowered, 5 to 10 mm 

 long, 3 mm wide, often pink or purplish; lem- 

 mas closely imbricate, nearly horizontally 

 spreading, strongly keeled, acute, 2 mm long, 

 the lateral nerves prominent; palea falling 

 with the lemma or soon thereafter; grain about 

 0.7 mm long. O — Waste ground, Georgia 

 and Florida; introduced from southern Asia. 

 14. Eragrostis capillaris (L.) Nees. Lace- 

 grass. (Fig. 289.) Annual; culms erect, 20 to 50 cm tall, much- 

 branched at base, the branches erect; sheaths pilose, at least on the 

 margin, long-pilose at the throat; blades flat, erect, pilose on upper 

 surface near the base, 1 to 3 mm wide; panicle oblong or elliptic, open, 



Figure 286— Distribution of 

 Eragrostis hypnoides. 



