Scleria bracteata Cav.

Plants coarse, about 1 m. high, with stout rhizomes, copiously pubescent; leaves about 1 cm. wide, with very scabrous margins, the sheaths scarcely winged; panicles axillary and terminal, the upper ones staminate, usually brownish, con-spicuously bracteate; hypogynium 3-lobed, the lobes rotund, with a dark purple margin, entire or sometimes dentate; achene discolored or usually white, 2-3 mm. long, subglobose, apiculate-verrucose or subtuberculate, pubescent, at least on the tubercles.