199 



Fig. 193. SCHEDONNARDUS PANICULATUS (Nutt.) Trelease in Branner 

 & Coville, Kept. Geol. Surv. Ark. 1888 * : 2-S6. 1891. {Leptimcspaniculatus Nutt. 

 Gen. 1 : 81. 1818; Schedonnardus texanus Steud. Syn. PI. Gram. 146. 1854. ) TEXAN 

 CRAB-GRASS.— A low, diffiusely branching annual, with short, narrow leaves 

 and numerous slender, paniculate spikes, 2-10 cm. (l'-4') long, and tufted stems 

 from 1-9 dm. (P-3°) high. Sheaths loose, compressed; ligule acute, lacerate, 

 decurrent; leaf-blades plane or folded, spirally twisted, smooth, 5-8 cm. (2'-3') 

 long. Spikelets (6) sessile and appressed as shown in o, 3-4 mm. (U"-2'0 long, 

 alternate; empty glumes lanceolate, 1-nerved; flowering glume (c) 3-nerved, 

 scabrous on the keel, slightly pubescent at the base. Palea (d) ovate, 2-nerved, 

 2.5-3 mm. m"-l^'>) long.— Dry prairies, Illinois to Texas and New Mexico, 

 north to Assiniboia and Manitoba. 



