Japan Flora: Rhizomes densely tufted, the i比ck with brown fibers; culms 10—40 cm. long, slightly scabrous above; leaf-blades linear, flat, 1.5-2 mm. wide, scabrous, the basal sheaths pardy reddish brown, scaberulous, splitting into parallel fibers; spikes 3-6, erect, the terminal pistillate, linear-clavate, 10-15 mm. long, rather few-flowered, shorter or slightly longer than the lower ones, the lateral spikes pistillate, short-cylindric, 1-2 cm. long, the upper approximate, the lower distant, loosely flowered, the lower bracts spatha- ceous, bladeless, broadly hyaline-margined; peduncles scarcely exserted from tlie sheath; pistillate scales ovate, acute, fer­rugineous to castaneous, rarely pale, with broadly scarious margins; perigynia shorter than the scales, obovoid, 3 mm. long, many-ribbed, densely pubescent, with a thick oblique stipe, tlie beak extremely short, ferrugineous, slightly re­curved with an entire tip. Apr-June. Open woods in hills and mountains.

Hokkaido, Honshu, Shikoku, Kyushu; common. Korea, Manchuria, and Ussuri.