MANUAL OF THE GRASSES OF THE WEST INDIES 287 
blades 4 to 7 cm long, 3 to 6 mm wide, the upper surface puberulent 
as well as villous; panicles 2 to 4 cm long; spikelets about 1.4 mm long, 
pubescent. Autumnal phase widely decumbent-spreading, the blades 
reduced, flat (fig. 267). 
Sandy woods, eastern United States; Hispaniola. 
DomINnIcAN Repusuic: Moncién, Kkman H 12798. San José de 
Ocoa, Ekman H 12011. 
76. Panicum auburne Ashe, N. C. Agr. Expt. Sta. Bull. 175: 115. 
1900. Alabama. 
Vernal phase grayish, velvety-villous throughout, the culms gen- 
iculate at base, widely spreading, rather slender, 20 to 50 cm tall; 
ligule 3 to 4 mm long; 
blades rather thin, 3 to 
7 cm long, 3 to 5 mm 
wide, the upper sur- 
face long-pilose, the 
lower velvety; panicle 
| y 3 to 5 cm long, the axis 
Figons 267.—Panioun, aliemar: villous; spikelets about guBs 28——Peniewn au 
floret, X 10 (type). 1.4 mm long, pubes- let,and floret, x 10 (type). 
cent. Autumnal phase 
early becoming diffusely branched at all the nodes, prostrate spread- 
ing, forming large mats (fig. 268). 
Sandy woods, southeastern United States; Cuba. 
Cusa: Motembo, Ekman 16841. 
77. Panicum wilmingtonense Ashe, Jour. Elisha Mitchell Sci. Soc. 16: 
86. 1900. North Carolina. 
Panicum alabamense Ashe, N. C. Agr. Expt. Sta. Bull. 175: 116. 
1900. Not P. alabamense Trin., 1854. Alabama. 
Vernal phase bluish green; culms erect from an ascending base, 
pilose with soft ascending hairs, 20 to 40 cm tall, the nodes pubescent 
with soft reflexed hairs; sheaths pubes- 
cent like the culms, densely villous- 
ciliate at the summit; ligule pilose, less 
than 1 mm long; blades rather stiff, 
ascending, 4 to 9 cm long, 3 to 7 mm wide, 
glabrous on the upper surface, soitly pubes- 
cent to nearly glabrous beneath, strongly 
ciliate on the margin near the base, the 
thick cartilaginous margin white at least Figuse 269—Panicum wilmingtonense. 
when dry; panicles 5 to8 cm long; spike- wityp). . 
lets 2 mm long, pubescent. Autumnal 
form branching from the middle and upper nodes, the branches 
rather crowded, the blades reduced, fiat (fig. 269). 
Sandy woods, southeastern United States; Cuba. 
Cusa: Woodtred, Ekman 9099. 
78. Panicum sphaerocarpon Ell., Bot. S. C. and Ga. 1: 125. 1816. 
Georgia. 
Vernal phase light green; culms radiate-spreading, 20 to 50 cm long, 
the nodes pubescent; sheaths glabrous; ligule obsolete; blades firm, 
6 to 10 cm long, 7 to 14 mm wide, subcordate, rough on upper surface, 
smooth beneath, ciliate toward base; panicles 5 to 10 cm long, the 
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