MANUAL OF THE GRASSES OF THE WEST INDIES Do 
FIGURE 165.—Pospalum insulare. Racemes, X 1; two views of spikelet, and floret, X 10 (type). 
6 to 16 cm long, 3 to 5 mm wide, papillose-pilose; racemes 1 or 2, 
approximate, arcuate to horizontally spreading, 3 to 6.5 cm long; 
spikelets about 2.5 mm long, obovate-elliptic, cross-wrinkled (fig. 165). 
Sendy savannas, pinelands, and moist places, Isla de Pinos. 
Cusa: Isla de Pinos, Santa Barbara, Ekman 11957, 12220; Taylor 40. 
45. Paspalum rupestre Trin., Linnaea 10: 293. 1836. Cuba. 
Paspalum leoninum Chase, in Hitche., Bot. Gaz. 51: 301. 1911. 
Cuba, Léon 950. 
Culms from suberect to radiate-reclining; blades folded at base, 
flat above, or subinvolute, 3 to 12 cm long, 1.5 to 4mm wide, glabrous; 
raceme solitary, straight or falcate, 1.2 to 4.5 cm long; spikelets 
mostly about 1.3 mm long, elliptic (fig. 166). 
Open rocky slopes, mostly serpentine, Cuba, 
Haiti, and Puert« Rico. 
Cusa: San Claudio, Ekman 12998. Guana- 
bacoa, Hitchcock 23234 Léon 949, 2691, 11010. 
San Miguel de Casanova, Léon 12470. Campo 
Florido, Léon 3482. Amaro, Léon 9142. Ciénaga 
de Zapata, Roig and Cremata 2116. Sancti 
Spiritus, Léon 950. Guara, Hitchcock 23417, 
23419%, 23424. Baragua, Hitchcock 23355. 
Sierra de Nipe, Ekman in 1922 (Amer. Gr. Nat. 
Herb. 949). El Yunque, Shafer 7729. Jauco, 
Léon 12302. Baracoa, Wright 3445 in part. 
Haiti: Gros-Morne, Ekman H 4919. FIGURE 166.—Paspalum ru- 
O73 > pestre. Receme, X 1; two 
Dominican Repusiic: Moncién, Kkman H views of spikelet, and floret. 
12630. x 10 (Léon 950). 
Puerto Rico: Mayaguez, Chase 6178 (Amer. 
Gr. Nat. Herb. 567), 6259, 6274, 6275, 6299, 6312, 6315, 6323, 6811, 
6813; Holm 152. Maricao, Chase 6220, 6246. 
46. Paspalum saugetii Chase, Contrib. U. S. Natl. Herb. 28: 147. 
f.90. 1919. Cuba, Léon 8982. 
Culms slender, wiry, leaning or spreading, 15 to 40 cm tall, more 
or less twisted and tortuous; blades rather thick, usually flat when 
fresh, folded or involute in drying, more or less tortuous, 3 to 15 em 
long, 3 to 7 mm wide; racemes commonly solitary, sometimes a second 
1 to 1.5 cm distant, 2 to 4 cm long; spikelets 1.3 to 1.6 mm long, oval, 
appressed-pubescent (fig. 167). 
Rocky, mostly limestone soil in the Greater Antilles. 
This species has been confused with Paspalum rupestre Trin., from 
which it differs in its less delicate habit and longer foliage, and in the 
