Japan Flora: Loosely tufted, glabrous peren­nial; culms slender, 40-70 cm. long; leaf-blades 1-2 mm. wide; ligules 1.5-25 mm. long, hyaline; panicles exserted, nodding, 5-8 cm. long, 5- to 10-flowered, the branches geminate, sca­brous, slender and short, usually with 1 spikelet; spikelets narrowly oblong, 12-15 mm. long, 3- to 5-flowered, pale green with a brown-purple hue; glumes broadly lanceolate, rather acute, lustrous, the lower 1-nerved, 3-4 mm. long, the upper 5-nerved with weak, short lateral nerves, 6-8 mm. long; lemmas broadly lanceolate, 8-11 mm. long, glabrous, sca- berulous, 7-nerved, slightly bidentate, the awn inserted about 1.5 mm. below the apex, straight or slightly recurved, scabrous, slender, 1.5-2 times as long as tlie lemma; callus-hairs 1.5-2 mm. long.  June-July. Coniferous woods.

Hokkaido, Honshu (centr. distr.); rare.  Korea, Sakhalin, Ussuri, Kamchatka, and s. Kuriles, and N. America.