MANUAL OF THE GRASSES OF THE UNITED STATES 



553 



from beloAv the middle; fertile lemma 

 lanceolate, acute, appressed-pubes- 

 cent, about 3.5 to 4 mm. long, the 

 sterile lemmas one-third to half as 

 long. O — Old fields, sandy soil, 

 and moist places, Virginia to Col- 

 orado, south to Florida and Texas, 

 west to Arizona, California, and Ore- 



Figure 798. — Phalaris canariensis. Plant, X Y<i\ 

 spikelet and floret, X 5. (Mearns 3378, Wyo.) 



cm. tall or even more; panicle oblong, 

 2 to 6 cm. long, occasionally longer, 

 tapering to each end; glumes 5 to 6 

 mm. long, oblong, rather abruptly 

 narrowed to an acute apex, the keel 

 scabrous and narrowly winged above 



Figure 799. — Phalaris brachystachys. Spikelet and 

 floret, X 5. (Suksdorf 1904, Oreg.) 



