Eriocaulon williamsii Moldenke

Eriocaulon williamsii Moldenke, sp. nov
Dwarf plants; leaves tufted, erect or spreading, thin-membranous or pellucid, light-green, linear, 1-4.5 cm. long, 1-2 mm. wide at the middle, subulate at apex, often slightly revolute on old leaves, fenestrately many-nerved (the fenestrations especially conspicuous beneath), glabrous; peduncles 3 or 4, slender, 1.2— 6.5(— 10) cm. long, usually rather obscurely 3-costate or striate, subglabrate; heads hemispheric or ovate-conic, dark-gray, 2.5-4 mm. in diameter, compressed in drying; involucral bractlets rather few, light-stramineous, ovate, blunt, glabrous; receptacle glabrous; receptacular bractlets hyaline, with a grayish median line at the middle on the back, obovate, acute, glabrous; staminate florets: long-pedicellate; sepals 3, nigrescent, spathaceous, the lobes short, often incurved and acute, glabrous; petal-tube pale-stramineous, its lobes very minute, glabrous; anthers 6, white, rotund; pistillate florets: pedicellate; sepals 3, hyaline (or grayish toward apex), narrowly linear, glabrous; petals hyaline, narrowly linear, glabrous; style elongate, longer than the long-stalked ovary; stigmas 3, longer than the ovary.
Caule perbrevi; floribus trimeris; floris c? sepalis spathaceis; floris 9 sepalis angustis non alatis, petalis non glanduliferis, ovario longe stipitato.
Type collected on clav of dried-up pond at Penonome and vicinitv, at 15-300 meters altitude, Code, Panama, between February 23 and March 22, 1908, K. S. Williams 299 (herb. N. Y. Bot. Gard.).
Distribution: British Honduras to Panama.