Main rachis 4 mm diameter; primary branch-systems usually with forking of two orders, only the ultimate branches leafy; primary branches rarely proliferous beyond the first fork; branches of first order 4-5 cm long, of second order 6-7 cm long; ultimate branches 30-35 cm long, 3½ cm wide, the basal 10-15 mm sometimes bare of lamina; costules 4 mm apart, slightly oblique; segments of lamina c. 17 mm long, 3 mm wide above the base, thin, apices entire or nearly so, veins slightly prominent on both surfaces; sori of 3-4 sporangia. Scales on dormant apex of rachis 4 mm long, 0.7 mm wide, narrowly acuminate, brown, with short spreading pale marginal hairs near base, dark oblique sparse setae towards apex; scales on lower surface of costae scattered, dark, 1.5 mm long, 0.2 mm wide, edges with sparse oblique dark hairs; scales on lower surface of costules pale, very narrow; scattered pale lax stellate hairs on lower surface of veins.
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