Holotype (PDD 27049); Isotype (Herb. HK. ZT 68/167): 'Ahaura, Ngahere, Prov. Westcoast, N.Z.; leg. Horak, 15.III.1968'. - Herb. HK. ZT 68/145 (PDD 27047): 'S of Lake Hochstetter, Prov. Westcoast, N.Z.; leg. Horak, 12.III.1968'. - Herb. HK. ZT 697169: 'Track to Mt. Luxmore, Lake Te Anau, Fjordland N.P., N.Z.; leg. Horak, 26.III.1969'

Pileus 6-20 mm diam., hemispherical or convex when young becoming depressed or umbilicate at the centre, margin incurved, deep blue, covered by black or concolorous squamules or fibrils, dry, not striate. Lamellae (L 8-15, 1 1-3) adnexed or adnate, sometimes subdecurrent with short tooth, whitish at first, turning pink, gill edge concolorous and not fimbriate. Stipe 20-50 x 1-3 mm, cylindrical, slender, blue, with white weft of mycelium at the base, glabrous, dry, fistulose. Context blue underneath the cuticle. Odor and taste not distinctive or slightly farinaceous only.
Spores 9-11.5 x 6.5-8 µm, 5-6-sided. Basidia 25-30 x 10 µm, 4-spored. Cheilocystidia consisting of fasciculate chains of cylindrical cells, terminal cells clavate or cylindrical (15-75 x 6-10 µm), pigment absent. Pleuro- and caulocystidia absent. Cuticle a cutis of suberect, fasciculate, cylindrical hyphae (4-10 µm diam.), membrane thin-walled, not gelatinized, with grey, plasmatic pigment. Clamp connections absent.

On soil in forests (under Nothofagus spp., Podocarpus spp., Dacrydium cupressinum). New Zealand.

Pileo 6-20 mm lato, hemisphaerico deinde umbilicato, coeruleo, squamis vel fibrillis atris instructo, sicco, haud striato. Lamellis ex adnato adnexis, primo isabellinis postea roseis, acie concolori integraque instructis. Stipite 20-50 x 1-3 mm, cylindraceo, coeruleo, mycelio albo ad basim obtecto, glabro, sicco, fistuloso. Odore saporeque nullo. Sporis 9-11 x 6.5-8 µm, 5-6-angulatis. Basidiis 4-sporigeriis. Cheilocystidiis conspicuis, cellulis terminalibus clavatis (15-75 x 6-10 µm), haud coloratis. Epicute ex hyphis cylindraceis et suberectis cutem formantibus, pigmento griseo plasmaticoque instructis. Septis defibulatis. Ad terram in silvis. Novazelandia.

Holotypus (PDD 27049): ‘Ahaura, Ngahere, N.Z; leg. Horak, 15.III.1968'.