hyphal system monomitic, no clamps observed; no sterile elements observed unless very similar to basidioles which do not exceed the hymenium; basidia two- to four-sterigmate; spores inequilateral and variously shaped, broadly ellipsoid to ovate to amygdaliform, some with one to two guttules, minutely apiculate, appearing roughened on the surface, thick-walled and cyanophilic.