Japan Flora: Rhizomes slender, long-creeping, thinly scaly; fronds evergreen; stipes slender, lustrous, pale green, thinly short- pilose, brownish, sparsely scaly near base; scales pale brown, lanceolate, 2-3 mm. long; blades narrowly deltoid to broadly lanceolate, 15-45 cm. long, 4-17 cm. wide, acuminate, not nar­rowed at base; pinnae spreading, linear-lanceolate, 2-8 cm. long, 7-15 mm. wide, acuminate, sessile, regularly pinnati- parted, thinly pilose on both sides, densely so on costas above, with yellow sessile glands beneath; pinnules oblong-linear to narrowly oblong, 1.5-2.5 mm. wide, obtuse, subentire, the vein- lets simple, reaching the margin; sori submarginal, in 2 rows; indusia orbicular-reniform or elliptic to flabellate, about 0.5 mm. across, ciliate. Woods.

Honshu (Kanto Distr. and westw.), Shikoku, Kyushu. Ryukyus, Formosa, Korea, China to India, and Indochina.

var. hyalostegia (Copel.) Ohwi. Blades smaller, narrowed at base; pinnae smaller, oblong; indusia often long-ciliate and long-pilose, the hairs nearly as long as the width of the indusium. Woods. Honshu (Kanto Distr. and westw.), Shikoku, Kyushu. Ryukyus, Formosa, China, and Philippines.