Plants solitary or caespitose, tuberiform or pyriform, 2-5 cm. .diameter, from yellow ochre to brilliant iodine green, drying pallid ferruginous. Peridium 400-600 microns thick, of a single pseudoparenchymatous layer, white or cream coloured in section. Gleba chocolate brown, appearing compact, cells minute, 2-3 to mmm.; subglobose, empty; columella reduced to a few tenuous branches arising from a small sterile base, but conspicuous in developing plants; tramal plates 15-50 microns thick, of gelatinized hyphae, thinner towards the centre and tending to disappear at maturity; basidia 4-spored. Spores elliptical, 11-15 x 8-10 microns, golden brown, apex bluntly pointed, base shortly pedicellate, with 4-5 longitudinal ribs which are rounded and about 2 microns tall.

Distribution: Tongariro National Park, Mrs. T. Carter. type collcetion : Mt. Reeves, Tararua Range, T. C. Birch; York Bay, E. H. Atkinson; Day's Bay. H. Cook, C., H. C.