60 Britton: CuBAN PLAnts NEw To SCIENCE 
ones; bristles 4-6, brownish, about as long as the achene and 
tubercle ; style-branches 2; achene black, lenticular, oblong, I mm. 
long ; tubercle sharply conic, one-fourth as long as the achene. 
Bog-holes in wet thicket, Sierra Nipe near Woodfred, Oriente 
(Shafer 3414). 
Eleocharis minutissima Britton, sp. nov. 
- Culms capillary, weak, densely tufted and matted, only 1.5-3 
cm. high. Spikelets ovoid, 2-4-flowered, acute, 1 mm. long; 
scales ovate, acute, with a narrow dark brown central band and 
broad hyaline margins; achene 0.25 mm. long, cancellate and 
longitudinally ribbed, gray, oblong-ovoid; tubercle black, low- 
conic; bristles none. 
Border of a lagoon near Pinar del Rio (Britton & Gager 
6065). 
Fimbristylis ophiticola Britton, sp. nov. 
Perennial; culms tufted, glabrous, 5 cm. high or higher. 
Leaves mostly basal, shorter than the culm; spikelet solitary (or 
sometimes 2?), ovate, flat, several-flowered, acutish, 6-12 mm. 
long, 2-4 mm. wide; scales ovate, somewhat spreading, yellow- 
brown, shining, acute or acutish, faintly nerved, readily decidu- 
ous from the deeply pitted rachis; style-branches 2; style com- 
pressed pubescent. deciduous; achene obovate, nearly white, 0.5 
mm. long, flat, longitudinally striate and transversely barred. 
Serpentine palm-barren, between Camaguey and Santayana, 
Camaguey (Britton 2420, type); a plant from the vicinity of 
Guanabacoa, Havana (Father Roca No. 1), much larger than the 
type specimen but without achenes, may belong here. 
Family AMARYLLIDACEAE 
Hymenocallis praticola Britton & Wilson, sp. nov. 
Leaves linear-lanceolate, 3-3.8 dm. long, 1.5-2.8 cm. broad, 
acute at the apex, gradually narrowing below, sessile. Scape 
slender, 2-3 dm. tall; flowers 6 or 7 in an umbel, sessile; outer 
spathe-valves deltoid-lanceolate, 3.5-4.5 cm. long; perianth-tube 
slender, 7-11 cm. long, the lobes linear, 6.5-9 cm. long, shorter 
than the tube; staminal crown funnel-shaped, 2-2.5 cm. high, 
toothed on the edge between the free tips of the filaments, which 
are 3-4 cm. long; anthers linear, 1.2-1.5 cm. long; style slender, 
longer than the anthers. 
Wet savanna, Sagua, Santa Clara (Britton & Wilson 37% 
type) ; also collected at Cieneguita, Santa Clara (Combs 345)- 
