Phylum：Basidiomycota　>>　Class： Basidiomycetes　>>　 Order： Russulales 
   
 
　BCRC Number： NO BCRC Number!  
   
　Scientific Name： Megalocystidium luridum
 
   
   
　Author：

Basionym: Corticium luridum Bres., Fungi trid. 2: 59. 1892.

Megalocystidium luridum (Bres.) Jülich, Persoonia 10: 140. 1978.
   
 
 
 
 
　Description： Basidiocarp resupinate, effuse, adnate, subceraceous, 70-250 μm thick in section. Hymenial surface light orange, smooth, occasionally cracked; margin thinning, arachnoid or pruinose, concolorous or paler. Hyphal system monomitic; hyphae nodose-septate. Subiculum fairly uniform, composed of medullary layer, with somewhat loose or dense texture; hyphae colorless, irregularly oriented, 2.5-5 μm diam., slightly thick-walled. Hymenial layer differentiated from subiculum, thickening, with compact texture; hyphae colorless, mainly vertical. Gloeocystidia numerous, yellowish, tubular, slightly flexuous, 50-150 × 6-11 μm, with 0.5-1 μm thick walls, SA+. Basidia clavate, usually tapering to a stalked base, 40-60 × 6.5-8 μm, 4-sterigmate. Basidiospores ellipsoid, adaxially slightly concave, smooth, thin-walled, with fairly homogeneous contents or with small oil-drops, 6-9 × 4-5.5 μm, IKI bluish black, CB–.
 
 
 
 
 
　Specimens：

Taiwan. Nantou: Yushan National Park, between Kuankao and Patungkuan, alt. 2,800 m, 8 Jan 1988, leg. Y.M. Ju, Wu 880108-14 (TNM).
 
 
 
　Habitat： null
 
 
 
　Distribution：

European countries (Eriksson and Ryvarden 1975), China (Bi et al. 1993), Japan (Maekawa 1993), Taiwan. Ginns & Freeman (1994) found the specimens of this species from numerous reports in North America, are actually Megalocystidium leucoxanthum and M. montanum.
 
 
 
　References：

Wu, SH. 1996.
   
   
   
　Provided：

S. H. Wu
 
 
　Note： null