Japan Flora: Glabrous tufted perennial with short innovation-shoots; culms 10-40 cm. long, rather thick, smooth, ascending at base; leaf-blades soft and rather thick-membranous, glaucous-green, slightly in­volute, 5-10 cm. long, 2-3 mm. wide, glabrous; ligules semi­rounded, hyaline, smooth, 2-3 mm. long; panicles finally ex­serted, erect, pale green and sometimes slightly purple-tinged, 5-15 cm. long, the branches unequal, nearly smooth, the lower deflexed; spikelets 5-8 mm. long, 2-3 mm. wide, 5- to 7-flowered; glumes 1-nerved, narrowly oblong, rather acute, the lower 1.5-2 mm., the upper 2.5-3 mm. long; lemmas nar­rowly oblong, rather obtuse, about 3 mm. long, smooth, short- appressed-puberulent near base; anthers about 0.7 mm. long, oblong. June-Oct. Seashores.

Hokkaido, Honshu (near Tokyo), Kyushu (n. distr.). Kuriles, Sakhalin, Ussuri, Kamchatka, Aleutians to N. America.