586 



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



6 to 15 mm wide, puberulent on both surfaces and sparsely pilose as 

 well, or the lower surface nearly glabrous; racemes 2 or 3, 6 to 14 cm 

 long, the axillary ones often wholly or partly included in the sheaths, 

 short racemes commonly borne in basal sheaths; spikelets subor- 



Figure 1226— Distribution of 

 Paspalum psammophilum. 



Figure 1225.— Paspalumpsammophilum. Panicle, X 1; two views of spikelet, and floret, X 10. 



(Graves, N. Y.) 



bicular, 2.1 to 2.2 mm long, pale, from densely pubescent to glabrous. 



01 (P. bushii Nash.) — Sandy soil, in open ground or open woods, 



Indiana to Minnesota, Texas, Arizona, and northwestern Mexico 



(fig. 1228). 



18. Paspalum pubescens Muhl. (Fig. 1229.) Culms ascending, 



45 to 90 cm tall, often pilose at the 

 summit ; sheaths usually pilose toward 

 the summit ; blades 8 to 20 cm long, 

 2 to 10 mm wide 

 (rarely larger), pi- 

 lose on both sur- 

 faces; racemes 

 1 to 3, 4 to 17 

 cm long; spike- 

 lets about 2 mm 

 long, suborbic- 

 ular, usually gla- 

 brous. % (P.muhlenbergii Nash.) — 

 Open ground or open woods, com- 

 mon in old fields and pastures, espe- 

 cially in sandy 

 regions, Ver- 

 mont to Florida, 

 west to Michi- 

 gan and Texas 

 (fig. 1230). 



19. Paspalum 

 ciliatifolium 

 Michx. (Fig. 



figure 1221. -Paspalum stramineum. 1231.) Culms erect to spreading, 35 



Panicle, X 1; two views of spikelet, and ^O 90 CHI tall J sheaths glabrOUS Or the 



floret, x io. (Type.) lower puberulent ; blades 10 to 35 cm 



long, 7 to 20 mm wide (rarely larger), usually strongly ciliate 

 along the margin and glabrous otherwise; racemes 1 to 3, usu- 

 ally 7 to 10 cm long; spikelets about 2 mm long, suborbicular, 

 the glumes often minutely pubescent. % (P. chapmani Nash; P. 

 eggertii Nash; P. blepharophyllum Nash; P. epile Nash.)— Open 

 ground or open woods, mostly sandy, New Jersey to Florida, 



Figure 1228.— Distribution of 

 Paspalum stramineum. 



