Protologue Description: PANICUM WEBBERIANUM n. sp.

Whole plant, with the exception of the lwermost sheaths and the ciliate margins of the upper ones, glabrous, the culms, sheaths and leaves often purple. Culms 2-4 dm tall, erect or ascending, regod, more or less branched, forming moderate-sized clumps; sheathes loose, shorter than the internodes; ligule very short, minutely ciliate; leaves lanceolate, 4.5-9 cm. long, 7-14 mm wide, somewhat narrowed toward the rounded or subcordate sparsely ciliate base, usually erect, smooth or sometimes a little roughened, 7-11-nerved; panicle finally long-exserted, ovate in outline, 6-9 cm. long, its branches widely spreading, rarely ascending or reflexed, more or less flexuous, the lower ones 2-3 cm. long, the ultimate divisions of the longer branches generally spreading; spikelets equaling or longer than their pedicels, elliptic or obovate, 2.5 mm. long; first scale nearly hyaline, broader than long, rounded at the apex, about one-quarter the length of the spikelet, which it clasps at the base; second and third scales of equal length, green and membranous, 7-nerved, minutely pubescent, the latter enclosing a small narrow palet about one-half as long as the scale; fourth scale yellowish white, chartaceous, oval, about 2 mm. long, 1.3 mm. broad, minutely pubescent at the obtuse apex, striate-punctate, enclosing a palet of equal length and similar texture and a perfect flower.
Collected by the writer on the edge of a clay pit in the low pine land at Eustis, Lake Co., Florida, May 16-31, 1894, No. 781.

Name derivation: Named in honor of Mr. H.J. Webber, of Eustis, Florida.