MANUAL OF THE GRASSES OF THE WEST INDIES 293 
89. Panicum chapmani Vasey, Bull. Torrey Bot. Club 11: 61. 1884. 
Florida. 
Culms ascending or spreading, 40 to 100 cm tall; blades erect, 
linear, 15 to 40 cm long, 2 to 5 mm wide, flat to subinvolute when 
dry; panicles elongate, sometimes as much as 30 cm long, the ap- 
pressed distant branches bearing few to several spikelets, the bristle 
3 to 6 mm long; spikelets about 2 mm long, obovate; first glume about 
one-third the length of the spikelet, obtuse or truncate; second glume 
nearly as long as the fruit (fig. 281). 
Coral sand, southern Florida, the 
Bahamas, and Cuba. 
Banamas: New Providence, Britton 
and Brace 401. Rose Island, Britton 
and Millspaugh 2137. Great Exuma, 
Britton and Millspaugh 3076 (all in Field 
Mus. Herb.). 
Cusa: Batabané, Hkman 12615. Cayo 
Sabinal, Ekman 15521. 
90. Panicum ophiticola Hitche. and Ek- 
man, sp. nov.® 
Culms densely cespitose, very slender, 
erect or spreading, 30 to 50 cm tall, the 
nodes mostly glabrous; sheaths scarcely 
compressed, villous around the summit; 
ligule a dense line of short hairs; blades 
flat or usually folded, especially those 
of the dense basal tuft, often pilose on 
the upper surface, mostly less than 10 
cm long, commonly much shorter, 1 to 2 
mm wide, rarely to 3.5 mm wide, the 
culm blades several, commonly flat; pani- 
cles terminal and axillary from the upper 
sheaths, slender, 2 to 7 cm long, few- 
flowered, the branches short and 
appressed; spikelets 2 to 2.8 mm long, 
the bristle minute (fig. 282). 
Type in the United States National 
Herbarium no. 1387464, collected in 
“cuabales’’, on serpentine, Loma Cajal- FIGURE 282.—Panicum ophiticola. Plant 
bana, prov. Pinar del Rio, Cuba, January =X 1s spikelet and floret, x 10 (type). 
2, 1921, by E. L. Ekman (no. 12712). 
Rocky slopes, mostly on serpentine, Cuba. 
Cusa: Loma de Coca (prov. Habana), Hkman 1220. San Miguel 
de Casanova, Léon 12481. Madruga, Léon 6372. Minas, Léon 4784; 
Ekman in 1921. Canasi (prov. Matanzas), Léon 13117. Holguin, 
Ekman 15722. 
91. Panicum distantiflorum A. Rich., in Sagra, Hist. Cuba 11: 304. 
1850. Cuba. 
Culms cespitose, 30 to 50 cm tall, slender, wiry, sometimes genicu- 
late at the lower nodes, producing slender, sometimes fascicled 
68 A P. utowanaeo differt foliis brevibus planis 1-3 mm latis, in pagina superiore sparse villosis; spiculis 
2-2.8 mm longis. 
