240 



Fig, 234. TRIODIA NEAX.IiEYI Vasey, Bui. Torr. Bot. Club, 15 : 49. 1888. 

 {Sieglingia nealkyi Dewey, Contr. U. S. Nat. Herb. 2 : 538. 1894.)— A slender, 

 glaucous, csespitose perennial 3-6 dm. (l°-20) high, with flat or conduplicate 

 leaves, and densely flowered, linear or ovoid panicles 4-5 cm. (li'-2') long. 

 Spikelets (a) 6-8 mm. (3"-4") long, 5 to 8 flowered; first glume ovate, acute, 

 smooth, about 4 mm. (2") long, the second about 1 mm. {h") longer; flowering 

 glumes (6) truncate, translucent, profusely ciliate on the margins and ciliate 

 on the back below, 2-lobed or cleft one-third to the base, the lobes equaled or 

 exceeded by the intermediate awn. Palea (c) strongly arcuate, pubescent on 

 the two prominent keels.- Canyons and ridges, southwestern Texas. Sep- 

 tember. 



