Generic short diagnoses:
Small, cushion-shaped, dark brown operculate discomycetes with amyloid asci and globose, echinulate to crested spores. On damp soil.
Species example:
Boudiera purpurea - DK: åbæger - ascus with 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.