Generic short diagnoses:
An erumpent, ± blackish, bitunicate discomycete on wood and aphyllophoroid fungi; with ellipsoid to broadly clavate, 1-septate‚ brown spores.
The picture originates from the MycoKey 2.0 DVD. Here you will also find a larger picture along with a detailed generic description, references and an interactive, synoptical key to genera.