Pulverulina Matheny & K.W. Hughes, gen. nov.

Index Fungorum number: MB 835131; Facesoffungi number: FoF

Type: Clitocybe ulmicola H.E. Bigelow

Etymology: Pulverulina (Latin), in reference to the pruinose stipe of the basidi- omata.

Diagnosis: Basidiomata pileate-stipitate with short-decurrent distant lamellae; stipe pruinose, tough, not insititious; basidiospores smooth, thin-walled, inamyloid; caulocystidia long and cylindric; hyphae of lamellar trama interwoven, thin- to slightly thick-walled; lignicolous on bark of living trees (Ulmus, Quercus).

Distribution: Tennessee (type) and North Carolina.

Species: Pulverulina ulmicola (see below).