134 



Fig. 128. SPOROBOLTJS ARGUTUS ( Nees ) Kunth, Enum. 1 : 215. 1833. ( VUfa 

 arguta Nees, Agrost. Bras. 395. 1829.)— A caespitose perennial 2-4 dm. (8'-16') 

 high, with flat leaves and open panicles 3-8 cm. (l'-3') long, the Avhorled 

 branches spreading in flower. Spikelets uo 1..5-2mm.(^"-l") long; empty glumes 

 (b, c) very unequal, the first .scarcely one-fourth as long as the pubescent second 

 glume which equals the third or flowering glume (cZ).— Sand dunes and sandy 

 flats near river banks. Kansas and Colorado to Texas and western Louisiana; 

 also in southern Florida. (Mexico and West Indies.) May to September. 



