New Zealand: "Nelson, Lake Rotoiti, West Bay; 29.1V.1968, leg. Horak" (PDD, 27116: holotype; ZT, 68/317: isotype).

Pileus -35 mm diam., hemispherical when young becoming convex-umbonate to campanulate; beige to light brown, reddish brown in centre; slightly viscid when wet, innately fibrillose, veil remnants absent. Lamellae adnate, densely crowded, ventricose; grey turning beige-brownish, edge paler, fimbriate. Stipe 25-50 x -5 mm, cylindrical, with strongly marginate, bulbous base (-12 mm diam.); whitish turning reddish brownish; pruinate for whole length; solid, single in groups; bulb outside white. Context whitish to light brownish. Odour spermatic.
Spores 10-13 x 7-10 µm, nodulose, with conspicuous knobs, brown. Basidia 28-35 x 8-9 µm, 4-spored. Cheilo- and pleurocystidia 65-90 x 16-26 µm, fusoid, thick-walled (-4 µm diam.), with yellow-brown plasmatic pigment, encrusted. Caulocystidia like cheilocystidia but smaller. Cuticle a cutis of cylindrical hyphae (4-12 µm diam.), encrusted with brown pigment. Clamp connections numerous.

On soil among litter of Leptospermum scoparium (and Nothofagus cliffortioides). New Zealand.

Pileo -35 mm lato, e convexo umbonato-expanso, argillaceo, disco subcastaneo, fibrilloso, subviscido. Lamellis adnatis, e griseo griseobrunneis. Stipite -50 x –5 mm, cylindraceo, ad basim napiformi (-12mm diam.), pruinoso, albido carneo brunnescente. Odore spermatico. Sporis 10-13 x 7-10 µm, nodulosis. Cystidiis fusoideis, metuloideis, luteobrunneis, incrustatis. Habitatio ad terrain sub Leptospermo, Nova Zeiandia. Typus (PDD, 27116).

In New Zealand this is the only species, which has a strong spermatic smell. Keyed out with European literature A. graveolens appears to be closely related to I. pseudohiulca Kuhn. -Bours. and I. oblectabilis Britzm.