Japan Flora: Rhizomes short, erect, densely covered with the basal stubs o£ old stipes; stipes 10-20 cm. long, straw- colored, densely scaly near base; scales broadly linear, 6-13 mm. long, about 1 mm. wide, long-acuminate, with a dark chestnut-brown longitudinal band down the center; blades firmly herbaceous, bipinnate, narrowly to broadly ovate, 20-35 cm. long, 20-30 cm. wide, abruptly long-acuminate with the tip more than one-third as long as the blade; pinnae usually 4-6 pairs, broadly lanceolate, 2.5-4 cm. wide, long-acuminate, the lower ones short-petiolulate, not contracted at base except the lowest one; pinnules elliptic to narrowly ovate, 1.5-35 cm. long, 6-10 mm. wide, oblique, the lower ones broadly cuneate at base, sessile, the upper ones more or less adnate and slightly decurrent on the rachis, toothed to pinnately lobulate; sori 6니4 on each pinnule, nearer the costules than the margin; in­dusia linear to lanceolate, 2-3.5 mm. long, straight, subentire, the lowest anterior one rarely diplazioid. Woods in moun­tains;

Hokkaido, Honshu, Shikoku, Kyushu. Korea and China.

var. majus Makino. Fronds larger; stipes to 50 cm. long; scales 10-15 mm. long, 1-1.5 mm. wide; blades 30-60 cm. long, rather abruptly narrowed at the tip but not long­tailed; pinnae 8-10 pairs; pinnules obtuse to subacute, cuneate or narrowly so at base, usually pinnately lobed on the anterior side. Honshu (Kanto Distr. and westw.), Shikoku, Kyushu.