CERCOSPOROID FUNGI FROM BRAZIL .1.

This paper represents the first in a series dealing with the systemati cs of cercosporoid fungi from Brazil The present study revises 22 Cerc ospora species reported or described from Brazil by Viegas in 1945. Se veral new combinations and synonymies are made in Passalora, Phaeoisar iopsis, Pseudocercospora and Mycovellosiella. In addition, Mycosphaere lla eugenicola is newly described as the teleomorph of Pseudocercospor a sphaerellae-eugeniae (Sacc.) Crous, Alfenas & R.W. Baretto comb. nov . from leaves of Eugenia uniflora.