CIILOllIDE.E. 



427 



wide as its glume; floral glume of the second spikelot cuneate, about 

 5 mm. long, including 3 slender lobes, 3 stout set* extending beyond 



A" B 



Fig. IQ.—Boutelotta Texana. A, B, spikelets; a, floret. (Scribner.) 



for 5 mm. ; palea small, hyaline; floral glume of third floret smaller 

 than the one below and including a rudimentary palea and an 

 empty glume. 



Texas, lievcrrhon^ Kealley; also found in Arkansas. 



91. (G). Beckmannia Host, Gram. Austr. 3:5, t. (1805). 

 Joachiniia Tenore, ex 11. & S. Syst. 2:605 (1817). BrucJcmannia 

 Nutt. Gen. 1:48 (1818). 



I'aniclo terminal, long and narrow. Spikelets snbsessile on 3 

 sidesof asubtriangularrachis, articulate with the very short pedicels, 

 broad, compressed, 1-2-flowered; emi)ty glumes 2, membranous, 

 compressed, concave-inflated, obtuse or abruptly pointed, 3 floral 

 glumes narrow, subequal, concave-keeled, acute or mucroiuite, deli- 

 cately membranous; palea hyaline, 2-kecled, nearly as long as its 

 glume. Stamens 3. Styles distinct. Grain oblong, includeil, but 

 not adherent. An erect grass with flat blades having much the 



