Figure 1207.— Distribution of 

 Paspalum vaginatum. 



MANUAL OF THE GRASSES OF THE UNITED STATES 581 



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 



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. figure 



distichum, but with 3 to 

 5 racemes with mostly paired spikelets. % — 

 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. 



1208.— Paspalum dis- 

 tichum. Panicle, X 1; two 

 views of spikelet, and floret, 

 X 10. (Hitchcock 9394, 

 Jamaica.) 



Figure 1210. — Paspalum pubiflorum 

 two views of spikelet, and floret, X 10 

 5555, Mex.) 



mm 



long. % (P. 



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, 

 . rather thick, erect to spreading, 

 a (H C it e chcock the rachis 1 .2 to 2 mm wide ; spike- 

 lets obovate, pubescent, about 3 

 hallii Vasey and Scribn.)— Moist open ground, 



