602 FLOPtA OF TEXAS. 



membrtinaceous, unequal, keeled; jjalece 2, membrana- 

 ceous, the lower one longer than the upper, 3-nerved, 

 awned or unawned; stamens 3 ; (jraia oblong, free. 



Leptochloa proper. Lower palca unawned. 



L. MUCROXATA, Kuntb. Cuhns 2°-3° high; sheaths of 

 the broad (4"-G" wide) rough leaves hairy ; spikes numer- 

 ous, in an elongated raceme, 2-4' long, spreading; spike- 

 lets minute, 3-4-flowered ; glumes mucronate, longer or 

 shorter than the flowers; loiver palea smooth, emarginate. 

 (Eleusine mucronata, Michx.) Cultivated fields. August- 

 September. 



TEICUSPIS, BeauY. 



Perennial grasses^ with tall, erect, simple culmSy from a 

 thick and scaly rootstock, elongated rigid leaves, and ovate 

 or lanceolate 5-7-flowercd stalked spikelets, disposed in a 

 simple or compound open panicle ; glumes 2. smooth, emar- 

 ginate, shorter than the crowded flowers ; palece 2, 2-cleft, 

 the lower one shortly 3-awned by the percurrent hairy 

 nerves, bearded at the base ; stamens 3 ; grai7i obovate-ob- 

 long, free. 



T. SESSLERioiDES, Torr. Panicle ample and difi'use, or 

 contracted and erect, bearded in the axils ; spikelets ievQiQ, 

 lanceolate, mostly purple; lower ptalea with two awn-like 

 teeth similar to the three short awns. (Poa quinquifida, 

 Pursh.) Dry soil. August and September. Culms 3°-5° 

 high ; sheaths often hairy. 



EATONIA, Eaf. 



Slender erect and tufted grasses, with narrow^ leaves, and 

 small smooth (not hairy) spikelets of pale /Zo?rer5 in a race- 

 mose or spicate panicle ; spikelets awnless, 2-5-flowered, the 

 uppermost flower usually an awn-like pedicel; glumes 

 membranaceous, shorter than the flowers, the loirer one 



