long; leaf-blades flat, somewhat soft, often somewhat hairy, 4-6 mm. wide, the basal sheaths bladeless, dark reddish and purplish brown, splitting into fibers; upper 2 or 3 spikes staminate, linear, 1-3 cm. long, the lower 3 or 4 pistillate, cylindric, 2-5 cm. long, rather loosely flowered, the lower one or more short-pedunclcd, the lower bracts leaflike, sheathing, the ligules in front and the upper part of the sheaths at least somewhat hairy; pistillate scales narrowly ovate, short-awned, sometimes addish; perigynia longer than the scales, 4-5 mm. long, spreading, broadly ovoid- conical, inflated, rather membranous, brownish green, nerved, abruptly rather long-beaked, reddish bifurcate at tip; stigmas 3. July. Wet meadows and wet places in woods.

Hokkaido; rare. Sakhalin, e. Siberia, n. Korea, and Manchuria