Hymenophyllum dilatatum (G.Forst.) Sw.
Trichomanes dilatatum Forst. f. Prodr. 1786, 85.
Mecodium dilatatum (Forst. f.) Cop. loc. cit. 67, 1938, 24.
Rhizome rather stout, far-creeping, glabrate; stipites distantly placed. Stipes rather stout, winged almost to base, 4-15 cm. long. Rhachis rather stout, glab., broadly winged in upper part, wing narrower below. Lamina ovate to narrow-oblong, bright green, 10-35 cm. long, 3-pinnatifid; final segs up to 3 mm. broad, oblong, obtuse. Sori slightly immersed. Indusium oblong to suborbicular, c. 2 mm. long, 2-valved to halfway or more; valves entire. Receptacle not or very slightly exserted.
DIST.: K., N., S., St., Ch. In lowland to lower montane forests throughout, us. epiphytic or on logs. Reported from A. by Hooker (Handbk N.Z. Fl. 1867, 354). Endemic.
