MANUAL OF THE GRASSES OF THE UNITED STATES 



581 



Figube 1207.— Distribution of 

 Paspalum vaginatum. 



cent nodes; racemes 2 to 7 cm long, commonly in c urved; spikelets 2.5 

 to 3.5 mm long, elliptic, 

 abruptly acute, pale green; 

 first glume frequently de- 

 veloped ; second glume 

 appressed-pubescent, the 

 midnerve in glume and 

 sterile lemma developed. 

 91 — Ditches and wet, 

 rarely brackish places, 

 New Jersey to Florida, 

 Tennessee, and Arkansas, 

 west to California and 

 "^T^j^Zp^^^/wj north along the coast to 

 Washington; Idaho; south 

 to Argentina (fig. 1209); 

 warm coasts of the East- 

 ern Hemisphere. 



Paspalum paucispica- 



tum Vasey. Resembling 



vigorous specimens of P. 



distichum, but with 3 to 



5 racemes with mostly paired spikelets. 91 — 



A specimen collected by Palmer in 1888, said 



to be from " Southern California ", 

 is in the United States National 

 Herbarium. The locality is 

 doubtful, the species ranging from 

 Sonora to Oaxaca. 

 3. Livida. — Culms compressed ; ra- 

 cemes few to several, mostly 

 plants of alkaline soil. 

 6. Paspalum pubiflorum Rupr. 

 (Fig. 1210.) Culms decumbent 

 at the base, 40 to 100 cm tall; 



Figure 1209.— Distribution of 

 Paspalum distichum. 



Figure 1208.— Paspalum dis- 

 tichum. Panicle, X 1; two 

 views of spikelet, and floret, 

 X 10. (Hitchcock 9394, 

 Jamaica.) 



Figure 1211.— Distribution of 

 Paspalum pubiflorum. 



sheaths, at least the lower, sparsely 

 papillose-pilose; blades flat, 

 usually 10 to 15 cm long, 6 to 14 

 mm wide, usually with a few stiff 

 hairs at the rounded base ; racemes 

 mostly 3 to 5, 2 to 10 cm long, 

 ; x 1; rather thick, erect to spreading, 



two views of spikelet, and floret, X 10. (Hitchcock the raclllS 1 .2 to 2 mill Wide | spike- 



lets obovate, pubescent, about 3 

 mm long. 91 (P. hallii Vasey and Scribn.) — Moist open ground, 



