MANUAL OF THE GRASSES OF THE WEST INDIES 303 
1. Lasiacis rugelii (Griseb.) Hitche., Bot. Gaz. 51: 302. 1911. 
Pamcum rugeli Griseb., Cat. Pl. Cub. 233. 1866. Cuba, 
Rugel 188. 
Culms much branched, prostrate, the main culms slender, mostly 
about 2 mm, sometimes 2.5 mm, thick, appressed-hispidulous, the 
sterile shoots prostrate, dorsiventral, the leaves strongly distichous, 
approximate, the fertile shoots sometimes ascending toward the end; 
sheaths overlapping, hispidulous, villous on the margin and around 
the summit; ligule inconspicuous; blades lanceolate or oblong-lanceolate, 
2 to 5 cm long, 4 to 12 mm wide, hispidulous or puberulent on both 
surfaces; panicles few-flowered, usually not more than 5 cm long, the 
few branches spreading, the axes pubescent, scabrous on the angles; 
spikelets 5 mm long. 
Rich thickets, Cuba and Hispaniola. 
Cusa: Valestina, Wright 3465. Sierra de Anafe, Wilson 11449. 
San Antonio, Hitchcock 176. Boco de Canasi, Léon 13698. Canasi, 
Ekman 16489. Camoa, Hkman 13516. San Miguel de Casanova, 
Léon 12458, 12459, 12460, 12461, 12462. Guantanamo, Ekman 
10306. Niquero, Ekman 16151. Santiago de Cuba, Ekman 7699. 
Sierra de Nipe, Ekman 15242. Isla de Pinos, Britton and Wilson 
14860; Hkman 12446. 
Haiti: Tortuga Island, Hkman H 4254. 
Dominican REpPuUBLIc: Sosta, Hkman H 14531. 
2. Lasiacis grisebachii (Nash) Hitche., Bot. Gaz. 51: 302. 1911. 
Panicum grisebachi Nash, Bull. Torrey Bot. Club 35: 301. 1908. 
Cuba, Britton and Shafer 758. 
Plants much branched, the main culms creeping and rooting at the 
nodes, as much as 2 mm in diameter, the fertile shoots erect or ascend- 
ing, 20 to 40 cm tall; ligule inconspicuous; blades narrowly lanceolate, 
6 to 12 cm long, 5 to 10 mm wide, puberulent beneath, glabrous above; 
panicles ovate, mostly 5 to 6 cm long, the few branches rather stiffly 
ascending, few-flowered; spikelets 4 mm long. 
Rich woods and shady banks, carpeting the floor of dark thickets, 
Cuba; eastern Mexico and Central America. 
Cusa: Sierra del Brujo, Léon 12916. Vifiales, Hitchcock 23315; 
Killip 13528. Valestina, Wright 3457. Sierra de Anafe, Wilson and 
Léon 2874, 11467; Wilson 11309. Cabanas, Ekman 10506. Bahia 
Honda, Shafer 12006. Taco Taco, Baker 3817. Buenaventura, 
Wilson 9238, 9332. Matanzas, Rugel 187. Madruga, Britton and 
Shafer 758. Guanajay, Baker and Van Hermann 4269. San Antonio, 
EMitchcock 131. Manati, Léon 5685. Peninsula de Zapata, Hkman 
18340. Boca de Canasi, Léon 15106. Lomas de Camoa, Léon 1972; 
Ekman 13462, 13531. Gerardo, Ekman 12646. 
3. Lasiacis oaxacensis (Steud.) Hitchc., Biol. Soc. Wash. Proc. 24: 
145. 1911. 
Panicum oaracense Steud., Syn. Pl. Glum. 1: 73. 1854. Mexico. 
Straggling and branching, but not high-climbing nor with a strong 
central cane; culms decumbent and geniculate at base, rooting at the 
lower nodes, ‘the ascending branches 1 to 2 m long, clabrous; sheaths 
glabrous or rarely appressed- pubescent, the margin villous: ligule 
60256—36—20 
