002 



MISC. PUBLICATION 200, U. S. DEPT. OF AGRICULTURE 



Figure 862. — Paspalum dissectum. Panicle, X 1; two 

 views of spikelet, and floret, X 10. (Commons 85, 

 Del.) 



glabrous or pilose, with an erect 

 auricle 1 to 5 mm. long on each 

 side, the sheaths of the floating 

 branches inflated, commonly long- 

 hirsute and purple-spotted; blades 

 usually 10 to 20 cm. long, 10 to 15 

 mm. wide (sometimes 25 cm. long 

 and 2.5 cm. wide); panicles mostly 

 10 to 15 cm. long, of numerous 

 ascending, spreading or recurved 

 racemes, 3 to 8 cm. long, falling 



Figure 863. — Paspalum acuminatum. Panicle, X 1; 

 two views of spikelet, and floret, X 10. (Arsene 

 3132, Mex.) 



entire, the rachis 1.3 to 2 mm. wide; 

 spikelets solitary, elliptic, 1.3 to 1.8 

 mm. long, acute or acuminate, pilose 

 with delicate hairs, sometimes ob- 

 scurely so, the sterile lemma with a 

 V-shaped pink marking at base. O 

 — (P. mucronatum Muhl.; included 

 in P. repens Bergius in Manual, ed. 

 1.) Floating in sluggish streams or 

 standing water or creeping in wet 

 places, Virginia to Illinois, Kansas 



Figure 864. — Paspalum fluitans. Panicle, X 1; two views of spikelet, and floret, X 10. (Combs 912, Fla.) 



