meliola

from The Century Dictionary.

• noun A genus of aseomycetous fungi of somewhat doubtful relationship, placed by some authors in the order Perisporiales. The mycelium forms a sooty layer on the surface of the Leaves. The perithecia are black and without a regular opening. About 130 species have been described, and they occur chiefly in the warmer regions of the earth. M. Penzigi causes the sooty mold of citrous fruits.