1. Department of Botany and Plant Pathology, Kansas Agricultural Experiment Station, Kansas State University, Manhattan, Kansas 66502.
2. Department of Botany, University of Guelph, Ontario.
3. Collection of Fungi, American Type Culture Collection, Rockville, Maryland.
4. Department of Botany, University of Connecticut, Storrs, Conn. 06268.
5. Department of Biological Sciences, University of California, Santa Barbara.
6. Department of Botany, University of Vermont, Burlington, Vermont (on leave January 1, 1967–July 1, 1967, to the Biology Division, Oak Ridge National Laboratory, Oak Ridge, Tennessee)
7. Biology Division, Oak Ridge National Laboratory, Oak Ridge, Tennessee.
8. Division of Laboratories and Research, New York State Department of Health, Albany, and Institute of Preventive Medicine, Albany Medical College.
9. Department of Botany and Plant Pathology, Oregon State University, Corvallis, Oregon 97331.
10. N. Y. State Museum and Science Service, Albany, New York, 12224. Published by permission of the Assistant Commissioner, New York State Museum & Science Service, Journal Series No. 100.