Phylum：Basidiomycota　>>　Class： Basidiomycetes　>>　 Order： Russulales 
   
 
　BCRC Number： NO BCRC Number!  
   
　Scientific Name： Gloeocystidiellum lactescens
 
   
   
　Author：

Gloeocystidiellum lactescens (Berk.) Boidin, C. R. Acad. Sci., Paris 233:1668. 1951.

Gloeocystidium lactescens (Berk.) Höhn. et Litsch., Wiesner Festschrift (Wien), p. 68. 1908.

Thelephora lactescens Berk. ap. Smith, Engl. Fl. 5:169. 1836.

Corticium lactescens (Berk.) Berk., Outl. Brit. Fung. p. 274. 1860.

Megalocystidium lactescens (Berk.) Jülich, Persoonia 10:140. 1978.
   
 
 
 
 
　Description： Macroscopic characters: Basidiocarps resupinate, widely effused, forming elliptic areas, adnate, 125–140 μm thick, 1–3 × 2–7 cm, even, more or less felted, cartilaginous or soft coraceous, sometimes thinly mucoid on the surface of rotten wood (not on barks) when dry, cream buff, chamois or cinnamon-buff, turning black in 5% KOH; margins thining out, fabrinose or membranaceous, white. Microscopic characters: With the differentiation of the basal layer and intermediate layer; basal layer of context composed of densely interwoven parallel hyphae, 17.5–25 μm thick; intermediate layer of context composed of scanty erect hyphae, obscure, mostly occupied by gloeocystidia arranged in dense palisade forming the main element of the intermediate layer and hymenial layer, 100–115 μm thick, with large rounded masses of crystals in one layer between the intermediate and basal layer; hyphae 2–3 μm wide, branched, thin-walled, smooth, septate, without clamp connections, more or less gelatinized; gloeocystidia cylindrical, flexuous, somewhat broader at base, not protruding, 7.5 × 75–88 μm, strongly stained by phloxine, forming a palisade in both intermediate and hymenial layer; hymenial layer 50 um thick, masked by gloeocystidia, indistinct; basidia clavate, slender, 5–6 × 40–50 μm, protruding 7–8 μm high, with 4 basidiospores; sterigmata curved, l μm wide at base, 5 μm long; basidiospores elliptical, globose or subglobose, 5–6 × 6.2–7 μm or 5 μm in diam., thin-walled, smooth, apiculate, slightly amyloid.
 
 
 
 
 
　Specimens：

Kauhsiung Hsien, the Southern Cross-Island Highway, Kuaigu, on the dead wood and fallen trunks of broad-leaved trees, under the conifer and hardwood mixed forests, alt. 2600 m, Jan. 25, 1975, S.-H. Lin (NTU-2567).
 
 
 
　Habitat： On the dead wood and fallen trunks of the broad-leaved trees, associated with white rot.
 
 
 
　Distribution：

Europe, America, Canada, England, Mexico, Porto Rico and Taiwan.
 
 
 
　References：

Lin, SH. and Chen, ZC. 1990.
   
   
   
　Provided：

S.-H. Lin
 
 
　Note： The wormlike gloeocystidia and the color change by KOH are the diagnostic features of this species. The texture on rotten wood is somewhat different from that on barks.