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Abstract
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Contributor Notes
Received for publication June 9, 1972.
Geneticist, U. S. Department of Agriculture, Agricultural Research Service, Northeastern Region, Agricultural Research Center, Plant Genetics and Germplasm Institute, Ornamentals Laboratory, Beltsville Maryland 20705.
Grateful acknowledgement is made to Neil W. Stuart for treating and forcing the bulbs and for his assistance in preparing this manuscript. I also thank Charles J. Gould for supplying the partially treated bulbs and for his helpful comments. Thanks are due also to B. E. Struckmeyer for her extensive review of this manuscript.
Abstract