Perennial; culms very slender, densely tufted, erect, 15-40 cm. high; leaves crowded toward the base, only one about the midculm, this with elongated sheath and reduced blade; sheaths compressed, keeled, glabrous to sparsely pilose with a dense tuft of hairs at the mouth; blades flat, conduplicate at the base, mostly 5-10 cm. long, rarely as much as 20 cm., 1-4 mm. wide, densely hairy on the upper surface toward the base, otherwise sparsely pilose or nearly glabrous; inflorescences terminal and sometimes axillary, composed of 2-4 slender ascending racemes 3-8 cm. long; spikelets 2 mm. long; second glume and sterile lemma somewhat pointed beyond the fruit, the margins stiffly appressed-pilose, the hairs longer at the sum-mit, forming a rather prominent tuft at the tip of the spikelet.
Home