251 



Fig. 245. ERAGROSTIS HYPNOIDES (Lam.) B. S. P. Prel. Cat. N. Y. 69. 1888. 

 (Poa hypnoides Lam. Tabl. Encycl. 1: 185. 1791; E. reptans Nees, Agrost.Bras. 

 514. 1829.)— A prostrate, much-branched, and extensively creeping annual, 

 with ascending, flowering branches 7.5-15 cm. (3'-6') high, spreading leaf- 

 blades, narrow and lax or very dense panicles, and long, linear-lanceolate, 

 strongly compressed spikelets. Sheaths shorter than the internodes, villous 

 above; leaf-blades 5 cm. (2') long or less, 1-2 mm. (i"-l") wide, scabrous above. 

 Spikelets (a, b, d) dioecious, 10 to 35 flowered, 4-16 mm. (2"-8") long: empty 

 glumes unequal, the first one-half to two-thirds as long as the second; flowering 

 glumes about 2.5 mm. (li") long. Glumes of the pistillate spikelets (d) more 

 acute than those of the staminate ones (o).— In ditches and sandy banks of 

 streams, Vermont and Ontario to Florida, Texas, California and Washington. 

 (Mexico, West Indies, and South America. ) March to October. 



