274 MISC. PUBLICATION 243, U.S. DEPT. OF AGRICULTURE 
Panicum berteronianum Mez, Bot. Jahrb. Engler 56 (Beibl. 125): 
5. 1921. Not P. berteronianum Schult., 1854. Santo. Domingo, 
Bertero 817. 
Perennial; culms slender, widely spreading or creeping, the flowering 
branches ascending, 10 to 15 cm tall, the nodes pilose; sheaths pilose; 
blades flat, 3 to 7 cm long, 3 to 6 mm wide, pubescent on both surfaces; 
panicles 3 to 5 cm long, of few to several short spreading densely 
flowered branches, remote along the main pilose axis, the branches 
4 to 6 mm long, bearing 1 to 8 subsessile spikelets about 2.5 mm long; 
first glume pubescent, half as long as the spikelet; second glume 
pubescent, gibbous, equaling the glabrous 
sterile lemma, both inflated (fig. 242). 
Crevices of rocks and _ stony slopes, 
Cuba, Dominican Republic, Venezuela, 
and Brazil. 
Cupa: Loma Barbi, Sierra Maesira, 
Ekman 15661. Loma del Gato, Ekman 
in 1922 (Amer. Gr. Nat. Herb. 703); 
3 Léon 10190. 
RE ihe 01 Pach nore Dominican Repusiic: Moncién, Ekman 
ee eee and foret, “Fi 12608, 13085. San Josée las Miia 
See Teme Ekman H 14602. Bajabonico, Ekman 
H 14499. Without locality, Bertero 817 (Krug and Urban Herb.). 
49, Panicum sellowii Nees, Agrost. Bras. 153. 1829. Brazil. 
Panicum valenzuelanum A. Rich, in Sagra, Hist. Cuba 11: 304. 
1850. Cuba. 
Panicum rugulosum var. hirtiglume Griseb., Cat. Pl. Cub. 233. 
1866. Cuba, Wright 3455. 
Perennial; culms branching and straggling, as much as 1 m long; 
blades thin, ovate-lanceolate, 4 to 15 cm long, 10 to 30 mm wide, 
more or less pubescent or velvety; panicles open, 10 to 20 cm long, 
the branches ascending or spreading; spikelets short-pediceled along 
the upper part, about 2 mm long, obovate, obtuse, papillose-hispid- 
ulous; first glume about two-thirds as long as the spikelet (fig. 243). 
FIGURE 243.—Panicum sellowii. Plant, X 1; spikelet, and floret, X 10 (type and Hitchcock 23295) . 
