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Description type:Latin diagnosis 
Description:Pileus 3-6 cm diam, planoconvexum, cito depressus ad infundibuliformis; pellis impolita, plerumque atrobrunnea, palmula, ab nigrobrunea. Lamellae late adnatae ad decurrentes, subdistantes, griseae ad griseoleae. Stipes 3.5-5 x 1-1.5 cm, regulare cylindratus, nigrobruneus, basin versus leviter striato. Contextus tenuis, griseobrunneus, immutabilis, fragilis. Latex albus. Sporae pallide cremeae in cumulo, globosae ad subglobosae, 7.4-9.8 x 7.4-8 µm, Lm = 8.7 ± 0.6 µm, Wm = 7.6 ± 0.4 µm, Qm = 1.14, amyloideae, alatae, critis usque 2-3 µm altim ornatae, macula suprahilaris amyloidea. Basidia 47-88 x 8-15 µm, fusiformia vel clavata basin versus angustata, (2-)4-spora, sterigmata arcuata, usque 12 x 2.5 µm. Pleuromacrocystidia absentia. Pleuropseudocystidia rara, filiformia. Cheilocystidia abundantia 49-73 x 5-6 µm, subclavata, fusiformia ad irregulare cylindrata. Trama lamellae ex hyphis composita, hyphis lactiferis abundnatis. Elementa marginata elongata. Pileipellis hymeniderma ad trichoderma, bistrata; elementa suprapellis 95-160 x 4.5-6 µm, subcylindrata ad monoloformia, apicem versus obtusa vel attenuata, subpellis ex hyphis composita. 
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