Japan Flora: Tubers globose, 5-8mm. across; stems 10-30 cm. long, 1-leaved near the middle, enveloped by a sheath on lower half, with few leafless mem-branous sheaths at the base, naked on upper half; leaves nearly radical, terete, 2-2,5 mm. across, longer than or as long as the stem, gradually narrowed to the tip, obtuse, long-sheathing at base; spikes 2-8 cm. long, rather densely flowered; bracts membranous, narrowly ovate-deltoid, 2-4 mm. long, nearly nerveless, mostly acuminate, mucronate; flowers green, about 2.5 mm. across; dorsal sepal elliptic, about 2 mm. long, erect, concave, slightly incurved at tip, obtuse, the lateral sepals gently reflexed, narrowly oblong, obtuse, slightly shorter than the dorsal; petals narrowly oblong, obtuse, about 2/3 as long as the dorsal sepal; lip spreading, somewhat fleshy, quadrangular-oblong, nearly as long as the dorsal sepal, truncate at apex, slightly broadened at base, witli 2 obscure callosities at the base; spur absent; ovary short-pedicelled, capsules 3-4 mm. long. Apr.-May. Grassy places in lowlands;

Honshu (Izu Isls., Kazusa, Kii, and Suwo Prov.), Sliikoku, Kyushu; rare. China, Ryukyus, and Formosa.