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, 1 mm. 

 long ; tubercle sharply conic, one-fourth as long as the achene. 



Bog-holes in wet thicket, Sierra Nipe near Woodf red, 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 

 6965). 



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 2429, type) ; a plant from the vicinity of 

 Guanabacoa, Havana (Father Roc a 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, 7-1 1 cm. long, the lobes linear, 6.5-9 cm - l n &> 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 - ^ on S'> style slender, 

 longer than the anthers. 



Wet savanna. Sagua, Santa Clara (Britton & Wilson 370, 

 type) ; also collected at Cieneguita, Santa Clara (Combs 345). 



