Combs' Panicgrass

Panicum combsii Scribn. & Ball, Bull. U. S. Dep. Agr. Agi;ost
24: 42. 1901.
Plants like P. longifolium in habit; leaves somewhat more clustered at base; leaf -sheaths glabrous or pubescent along the margin toward the summit; ligule less than 1 mm. long, sometimes a few longer hairs at the margin; blades averaging shorter, rarely 25 cm. long, glabrous or pilose on the upper surface at the base, usually sparsely so ; lateral panicles wanting or but one or two; terminal panicles 12-20 cm. long, two thirds to three fourths as wide, few-flowered, the slender, scattered branches ascending; spikelets 3-3.5 mm. long, 0.7-0.8 mm. wide, acuminate ; first glume two thirds to three fourths the length of the spikelet ; second glume and sterile lemma subequal, usually scabrous on the midnerve, much exceeding the fruit; fruit 1.8-2 mm. long, 0.6-0.8 mm. wide.
Type locality: Chipley, Florida.
Distribution: Southern Georgia and northern Florida to Louisiana.