237 



Fig. 231. TKIODIA TEXANA S. Wats. Proe. Am. Acad. 18: 180 1883 -A 

 .slender, wiry grass 3-6 dm. (10-20) high, with very narrow leaves and loosely 

 rT^,!'.^'^'^' nodding panicles 10-15 cm. (4'-6') long. Spikelets (a) 8-12 mm' 

 (4 -6 ') long, 7 to 11 flowered, the rachilla very slender and flexuose; first glume 

 broadly lanceolate, acute, about 3 mm. (U") long, the second slightly longer- 

 flowering glumes (6) slightly lacerate above, membranaceous, pubescent on 

 the 3 nerves toward the base. Palea (c) broad at the base, narrowed above 

 obtuse, smooth.-Rich valley land, dry places, etc., Louisiana and Texas to 

 Arizona. (Northern Mexico.) June to August. 



