Flora of New Zealand Series

H. subtilissimum Kunze Analecta Pterid. 1837, 49.

H. franklinianum Col. in Tasm. J. nat. Sci. 2, 1846, 183.

Sphaerocionium ferrugineum (Colla) Cop. loc. cit. 67, 1938, 33.

Rhizome slender, with scattered pale to reddish brown hairs, especially when young; stipites rather distant to close-set. Stipes very slender, 3-5 cm. or more long, not winged, with scattered hairs, becoming glab. Rhachis slender, winged in upper portion, densely clad in stellate hairs. Lamina 5-20 cm. long, us. densely clad in brownish stellate hairs, sts rather sparsely so; narrow ovate to oblong, acute to acuminate; 2-3-pinnatifid; segs close-set, narrow-oblong, retuse or obtuse. Sori us. ∞, immersed. Indusium suborbicular, c. 1 mm. long, 2-valved almost to base; valves rounded, bearded with stellate hairs. Receptacle not exserted.

DIST.: N., S., St. Lowland to lower montane forests from lat. 35º southwards; uncommon east of divide in S. Also on Juan Fernandez Is and in Chile.