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Page number:31 
Remarks (internal):Hagström (1977) proposed Vesiculomyces Hagström to accommodate Gloeocystidiellum citrinum (Pers.) Donk that possesses the sulfobenzaldehyde-negative gloeocystidia, clampless-hyphae, long and narrow basidia, and almost spherical basidiospores. However, this species produces sulfobenzaldehyde-positive gloeocystidia in its culture (Boidin, 1958; Maekawa et al., 1982). In addition, Larsen and Burdsall (1976) reported that sulfuric benzaldehyde was found to be extremely erratic in reaction with gloeocystidial contents, making this a character of questionable taxonomic value. There-fore, Boidin and Lanquetin (1983a) emended the original generic concept to a wider sense as the above description, and transferred Corticium chelidonium Pat., C. lactescens Berk., C. leucoxanthum Bres., C. luridum Bres., C. sulcatus Rehill & Bakshi and Gloeocystidiellum humilis Boidin to the Vesiculomyces. In Japan, the following six species, including two new taxa, have been found. 
Description type:Non-original description 
Description:VESICULOMYCES Hagström, Bot. Not. 130: 53, 1977; emend. Boidin, Mycotaxon 16: 493, 1983.
Type species: Vesiculomyces citrinus (Pers.) Hagström
(? Thelephora citrina Pers.)
Basidiomata resupinate, adnate, effused; hymenial surface smooth to tuberculate. In vertical section, subhyaline, membranous, not pseudoparenchymatic. Hyphal system monomitic; hyphae smooth, thin-walled, nodose- or clampless-septate; cystidia (gloeocystidia) positive or negative to the sulfobenzaldehyde reagent; basidia narrowly clavate to cylindrical, producing 4 sterigmata; basidiospores ellipsoid to subglobose, with a prominent apiculus, thin-walled, smooth, amyloid.
 
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