Xyris difformis var. curtissii (Malme) Kral

Xyris curtissii Malme, Ark. Bot. 13 8 : 24. 1913
Xyris neglecta Small, Bull. Torrey Club 21: 300. 1894. Not A', neglecla A. Nilsson, 1892.
Tufted or annual; leaves linear, 5-10 (-12) cm. long, 2-4 mm. broad, somewhat obtuse at the apex, smooth or minutely tuberculate beneath; sheath occupying one third to one half the length of the leaf, straw-colored, tawny, or violaceous, opaque, somewhat dilated below; peduncles 20-30 (-40) cm. tall, 0.8-1 mm. broad, nearly terete, multicostate, scabrid on the ridges, elsewhere smooth, the peduncular sheath 3-5 cm. long, chestnut-colored and shining below; spike somewhat few-flowered, ellipsoid or ovoid, 5-8 mm. long, 3-4.5 mm. thick, the outer barren bracts elliptic or ovate-elliptic, about 2 mm. long, rounded at the apex, the flowering bracts obovate-elliptic, about 4 mm. long and 3 mm. broad, entire, tawny or palerusty, opaque, with a grayish-green or rusty, ovate or elliptic dorsal area 1.5-2 mm. long lateral sepals narrowly lanceolate, 3-4 mm. long, about 0.6 mm. broad, acute at the apex; keel narrow, lacerate or shortly lacerate-fimbriate from about the middle to the apex; seeds ellipsoid, about 0.4 mm. long.
Type locality: Moist pine woods about Jacksonville, Florida. Distribution: North Carolina to Florida and Mississippi.