Material. - New Zealand: Auckland: Atkinson Park, Titirangi, 13.III. 1967, leg. McNabb (PDD 30272, holotype). - Bishop's Reserve, Titirangi, 8.III.1967, leg. McNabb (PDD 30271).

P. 25-65 mm, convex when young, soon becoming umbonate to campanulate, umbonate centre often depressed, margin upturned and waved; brown; dry, margin estriate, velutinous or scurfy to minutely squamulose, often concentrically cracking or wrinkled, not hygrophanous. L. emarginate to subdecurrent with short tooth, ventricose, crowded; cream turning pink with age, edge even, concolorous. St. 30-70/2,5-6 mm, cylindric to subclavate at base, often equal; concolorous with p. or paler, with white villous base; dry, fibrillose to glabrous, solid, single in groups. Context whitish, brown beneath cuticle. S not reported. Sp. 9-11,5 µm, subglobose with rather blunt angles. Bas. 30-45/9-12 µm, 2- and 4-spored. Ch. and pl. absent. Cuticle a palisade of erect chains of short cells (10-25/4-10 µm), with hyaline thin-walled membranes, conspicuous brown PP present, - OH, - CC.

Habitat. - On soil in forest (Agathis alba). New Zealand.

Pileus -65 mm, convexus dein umbonatus, brunneus, velutinus. Lamellae emarginatae. Stipes -70/-6 mm, cylindricus vel subclavatus, pileo concolor vel pallidior, glabrus. Sporae 9-11,5 µm, globoso-subangulatae. Ad terram. Nova Zelandia.

This striking species is named after the late New Zealand mycologist R.F.R. McNabb who twice gathered material in the surroundings of Auckland, New Zealand.

Typus PDD 30272.