cercospora

Century Dictionary and Cyclopedia

1. n. A large genus of hyphomycetous fungi, growing mostly on living leaves, producing dark-colored erect hyphæ, which emerge in clusters from the stomates of the leaf, and bear at their tips elongated septate spores (conidia). Some of the species are injurious to cultivated plants.

GNU Webster's 1913

1. n. form genus of imperfect fungi that are leaf parasites with long slender spores.

WordNet 3.0

1. n. form genus of imperfect fungi that are leaf parasites with long slender spores