1. Botany Department, Southern Illinois University, Carbondale, Illinois.
2. Collection of Fungi, American Type Culture Collection, Rockville, Maryland 20852.
3. Division of Plant Pathology, Department of Plant Science, University of Alberta, Edmonton, Alberta, Canada.
4. Instituto de Botânica, C.P. 4005, São Paulo, Brazil.
5. Plant Pathologist, Crops Research Division, Agricultural Research Service, U. S. Department of Agriculture, Raleigh, North Carolina.
6. Collection of Fungi, American Type Culture Collection, Rockville, Maryland.
7. Botany Dept., University of Florida, Gainesville, Florida.