KEY TO SPECIES OF MelOMaSTia NITSCHKE EX SACC.

1. Ascospores 3-septate; lignicolous in terrestrial habitats ................................................................................... ...... Majority of the species of Melomastia would key out; the distinction between most of which are unclear.

— Ascospores 7- or more septate ...................................................................................................................... 2

2. Corticolous in dry terrestrial environment ............................................................... M. septemseptata sp. nov.

— Lignicolous in maritime and aquatic environments ........................................................................................ Here several species key out which for a long time united in the genus Dyfrolomyces K.D.Hyde, K.L.Pang, Alias, Suetrong & E.B.G.Jones, one of which was previously classified in the genus Saccardoëlla Speg.