GENERA OF GRASSES OF THE UNITED STATES. 57 
3-nerved, the lateral nerves sometimes faint or obscured by stria- 
tions and intermediate nerves; Jemmas closely imbricate, firm, the 
pistillate coriaceous, the margins bowed out near the base, acute or 
Plant, X 4; pistillate spikelet and floret, x 5. 
Pic. 23—WMonanthochloé littoralis. 
acutish, 3-nerved, with several intermediate nerves or striations; 
palea as long as the lemma or shorter, the pistillate coriaceous, in- 
closing the grain. 
