Japan Flora: Rhizomes short, stout; stipes tufted, 15-30 cm. long, densely scaly throughout, the scales dark brown, rather firm, lustrous, lanceolate to ovate, sometimes hairlike, 7-12 mm. long, acuminate, pubescent on margin at tip; blades broadly lanceolate, 30-60 cm. long, 10-15 cm. wide; pinnae chartaceous, 12-26 pairs, broadly lanceolate to narrowly ovate- oblong, 5-7 cm. long, 1-3 cm. wide, gradually attenuate, sub- sessile, usually auriculate on anterior side, subentire to minutely toothed, with jointed short hairlike scales on both sides while young; indusia orbicular, subentire. Thickets in hills and low mountains.

Hokkaido (Okushiri Isl.), Honshu, Shikoku, Kyushu; common. s. Korea and China.

var. clivicola (Makino) Tagawa. Pinnae (5-)10-15 pairs, the lower ones largest, about 15 cm. long, 6 cm. wide, coarsely crenate, often minutely toothed; indusia erose. Woods in mountains; Honshu, Shikoku，Kyushu.

var. intermedium Tagawa. Pinnae 10-12 pairs, usually broadly lanceolate^ 10- 15 cm. long, 2.5-4 cm. wide, gradually narrowed to tip; indusia slightly undulate on margin. Honshu (s. Kanto Distr. and westw.), Kyushu.