Japan Flora: More slender than the preceding; culms 60- 100 cm. long, glabrous, with 5-7 nodes; cauline leaves flat, 15-20 cm. long, 6-8 mm. wide, gradually attenuate, the sheaths rather loosely enveloping the culm; inflorescence terminal, large, to 10 cm. wide, the rays stiif, to 5 cm. long, scabrous in upper part; spikelets sessile, oblong, 3-4 mm. long, 1.5 mm. thick, in clusters of 2-5; scales ovate-orbicular, 1 mm. long, very obtuse, brownish with a broad green midrib; achenes slightly shorter than the scale, pale, compressed, 0.7 mm. long; bristles none. Aug.-Oct.