Cyperus gracilis, Buchanan. n. s.

A flaccid pale green glabrous leafy plant, 1–2 ft. high. Culm sharply 3-angled, grooved, 1–10th in. diameter. Leaves shorter than the culms, keeled, margins almost smooth, sheathing part with white membranous border. Involucral leaves 3–6 in. long. Umbels of 6–8 short rays, ¼-1 in. long, springing from nearly the same base as the involucral leaves, and forming dense round masses. Spikelets arranged in globose umbels ½in. long, pale dull green. Glumes ovate, acuminate, with white membranous border. Nut 3-angled, pale whitish green. Style persistent.