Generic short diagnoses:
Small, pulvinate gasteroid fungi with a thin, outer, evanescent skin with simple clamped hyphae, and an inner mass of one to several egg-like structures (peridioles) within which the basidia are formed. The basidia often become thick-walled and pigmented.
www.MycoKey.com
With the MycoKey DVD you will find thousands of pictures along with detailed
generic descriptions, references and interactive, synoptical keys to the
genera.