218 misc. PUBLICATION 243, U.S. DEPT. OF AGRICULTURE 
Cusa: Mariel, Ekman in 1921 (Amer. Gr. Nat. Herb. 944). Habana, 
Baker, Tracy, and Hasselbring in 1907; Léon 2556, 3473; Tracy 9105. 
Marianao, Léon 581. Arroyo Apolo, Léon 564, 585. Vibora, Baker 
2587 ; Léon 943, 945. Guanabacoa, Ekman 594; Léon 2561. Calabazar, 
FIGURE 159.— Paspalum alternifio- FIGURE 160.—Paspalum rottboellioides. 
rum. Panicle, X 1; two views of Panicle, X1; two views of spikelet, and 
spikelet, and floret, X10 (Baker, floret, X 19 (duplicate type). 
Tracy, and Hasselbring). 
Baker and Zarragoit:a 4545. Handbana, Wright 167 in 1865. Cai- 
barien, Mernando 36. Manati, Léon 5680. Cupey, Hkman 6294. 
Without locality, Liebmann 194, 201; Rugel 753a; Wright 3841. 
FIGURE 161.— Pas- 
palum filiforme. 
Raceme, XX 1; 
two views of 
spikelet, and 
floret, X 10 
(type). 
Harti: St. Michel, Ekman H 8351; Nash and Taylor 
1445. Between Anse-a-Veau and Petit Trou des 
Nippes, Ekman H 5401. 
39. Paspalum rottboellioides Wright, An. Acad. Cien. 
Habana 8: 204. 1871. Cuba, Wright 3864. 
Culms slender, 20 to 75 cm tall; blades spreading, 5 
to 18 cm long, 1 to 1.5 mm wide, mostly involute, 
papillose-pilose; racemes 1 or 2, ascending or spreading, 
straight or nearly so, 4 to 12 cm long, the axis 1 to 
2 cm long; spikelets 3 to 3.3 mm long, oblong-elliptic, 
the glume long-villous, the sterile lemma villous at 
base (fig. 160). 
Sandy pinelands and savannas, western Cuba and 
Isla de Pinos. 
Cusa: Herradura, Ekman in 1922 (Amer. Gr. Nat. 
Herb.945). Vuelto-abajo, Wright 3864. Isla de Pinos, 
Britton and Wilson 14697; Curtiss 375; Ekman 12219; 
Taylor 41. 
40. Paspalum filiforme Swartz, Prodr. Veg. Ind. Occ. 
De LASS: 
Paspalum swartzianus Fliigge, Monogr. Pasp. 96. 
1810. Based on P. filiforme Swartz. 
Paspalum leptocaulon Nash, N. Amer. Fl. 17: 181. 1912. Jamaica, 
Britton 1475. 
