Lyophyllum maleolens

General: Uncommon diminutive species (< 1.5 cm pileus) with an elongated stipe and an unpleasant odor of rancid wet flour, found under pines in this study (identity confirmed by molecular data).

Pileipellis: Cutis formed by filamentous hyphae 2-4 µm wide, arranged parallel to very slightly interwoven, encrusted with greyish-brown parietal pigment, the outermost hyphae slightly gelatinized, septate with clamp connections.

Lamellar edge: Fertile, lacking differentiated cystidia.

Basidia: Clavate, 25-35 x 7-8 µm, containing abundant siderophilous granules, with basal clamp connections, 4-spored.

Spores: Fusiform to slightly amygdaliform, smooth, hyaline, thin-walled, pointed and slightly curved at the apicular end, 9-11 x 4.5-5.5 µm, containing oil droplets, inamyloid in Melzer's reagent.

Herbarium voucher: JTP2339/24.