Japan Flora: Rhizomes small, short, the scales ab이｝t 2 mm. long, linear, lustrous, black­brown with paler margins; fronds glabrous, tufted; stipes 4-8 cm. long, slender, purple-brown, sparsely scaly, about 0.5 mm. across; blades simply pinnate, lanceolate, 5-12 cm. long, 15-20 mm. wide, glabrous, the rachis often much extended beyond the upper pinnae and proliferous at the tip; pinnae 15-20 on each side, membranous, obliquely flabellate, 7-13 mm. long, 4-6 mm. wide near base, obtuse, the upper ones gradually reduced, spreading, subentire to lobulate on anterior margin, entire on the posterior side, glaucescent beneath, very short- petiolulate; veins evident, slender; sori on the lobules of the pinnae; false indusia reniform, brown, about 1 mm. long, 1-2 mm. wide, glabrous.

Kyushu (Buzen Prov.); rare. Manchuria, China, Formosa to Indochina, India, and Philip­pines.