Generic short diagnoses:
Erumpent, grey to olivaceous, brown or blackish, inoperculate discomycetes on leaf veins of dicot herbs, with 0-1-septate spores and a brown textura angularis to globulosa.
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.