Xyris chapmanii E. L. Bridges & Orzell

Xyris scabrifolia Harper, Bull. Torrey Club 30: 325. 1903
Solitary 'according to Harper ) ; leaves linear, 25-40 cm. long, 3-4 (-5 ) mm. broad, somewhat incrassate and obtuse at the apex, tuberculate-scabrid at margins, elsewhere transversely rugose; sheath occupying one fourth to one third the length of the leaf, scabrid, opaque, somewhat dilated at the base; peduncles 50-70 cm. tall, 1-1.75 mm. broad, terete or nearly so, bicostate above, transversely rugose, the peduncular sheath 10-15 cm. long, rusty or chestnutcolored and somewhat shining below; spike many-flowered, ellipsoid, 10-14 mm. long, about 7 mm. thick, the outer barren bracts broadly elliptic, 2.5-3 mm. long, rounded at the apex, the flowering bracts broadly obovate, about 7 mm. long, 5-6 mm. broad, entire, tawny or palechestnut-colored, somewhat shining, with a large ovate dorsal, area 2.5-3 mm long; lateral sepals narrowly lanceolate-linear, acute at the apex; keel narrow, serrulate or lacerate only above; seeds ellipsoid, about 0.5 mm. long.
Type locality: Open bog, near Woodbury, Meriwether County, Georgia. Distribution: Known only from the type locality.