Plants irregularly tuberiform, much shrunken and wrinkled when dry, fresh plants to 4 cm. diameter, drying to 2.5 cm., exterior clingy sage-green, brown where exposed, pallid dingy create and dull below, attached by a prominent rooting strand. Peridium 300-400 microns thick, of an outer layer of pseudoparenchyma exteriorly coated with a delicate fibrillose lacer of hyphae coated with crystals, and a thick inner layer of gelatinized hyphae. Gleba olivaceous. cells irregular, 3-4 to mm, subglobose in fresh plants, traversed by a branched columella; at maturity sometimes becoming gelatinized and collapsing to a thin compressed layer tramal plates 50-75 microns thick, of gelatinized hyphae; basidia 8-spored.. Spores elongate-elliptical, 4.5-5 x 1.5-2 microns, hyaline or tinted, smooth.

Distribution: Auckland, Waimarino,.1. C. Neill, Type Collection.