MANUAL OF THE GRASSES OF THE UNITED STATES 597 



35. Paspalum lentiferum Lam. (Fig. 1256.) Similar to P. praecox; 

 culms more robust, sometimes as much as 150 cm_ tall; sheaths 

 less strongly keeled; blades usually more or less pilose; racemes 

 usually 4 or 5; spikelets 2.7 to 3.4 mm long, broadly oval. 21 (P. 

 glaberrimum Nash; P. tardum Nash; P. kearneyi Nash; P. amplum 

 Nash.) — Moist pine barrens, borders of flat-woods, and cypress swamps, 

 and in savannas on the Coastal Plain, from North Carolina to southern 

 Florida and along the Gulf to Texas (fig. 1257). 



11. Floridana. — Mostly robust, 

 culms simple; blades mostly 

 flat; racemes few; spikelets 

 large, rather turgid, glabrous. 

 36. Paspalum difforme Le- 

 Conte. (Fig. 1258.) Cu]ms 

 solitary or few from a short 

 knotty rhizome, rather stout, 

 35 to 75 cm tall; leaves com- 

 monly crowded at the base; 

 blades 10 to 15 cm long, 5 to 

 10 mm wide, usually pilose on 

 the upper surface toward base; 

 racemes 2 to 4, ascending to 

 suberect, 3.5 to 8 cm long; 



FlGCBE 1257.- 



-Distribution of Paspalum 

 Untiferum. 



spikelets 3.5 to 4 mm long, oval 

 to obovate. % — Moist sandy 

 soil in open ground and in flat- 

 woods, in the Coastal Plain, 

 Georgia, to Orange County, 

 Fla., west near the Gulf to 

 Louisiana (fig. 1259). 



37. Paspalum floridanum 

 Michx. (Fig. 1260.) Culms 

 solitary or few from short stout 

 scaly rhizomes, 1 to 2 m tall; 

 sheaths villous to nearly gla- 



Figube V2M -Paspalum lentiferum Panicle, X 1; two Drous ■ blades firm, flat Or folded, 

 views of spikelet, and floret, X 10. (Harper 1629, Ga.) » , ' n ' 



15 to 50 cm long, 4 to 10 mm 

 wide, usually villous at least on the upper surface toward base; racemes 

 usually 2 to 5, 4 to 12 cm long; spikelets crowded, oval, about 4 mm 

 long. 21 — Low moist sandy soil, pine woods, flatwoods, savannas, 

 and low prairies, in the Coastal Plain from Maryland to central Florida 

 and along the Gulf to Texas, north in the valleys to Missouri^ and 

 Oklahoma (fig. 1261). Paspalum floridanum var. glabratum 

 Engelm. More robust, taller; foliage glabrous or nearly so; racemes 

 longer, more spreading. 21 — Brackish marshes and low, sandy, 



