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New species of Psilocybe in the Caribbean, with an emendation of P. guilartensis

     Instituto de Ecología, Apartado Postal 63, Xalapa, Veracruz 91000, Mexico

Timothy J. Baroni

     Department of Biological Sciences, State University of New York, College at Cortland, Cortland, New York 13045-0900

D. Jean Lodge

     Center for Forest Mycology Research, U.S.D.A. Forest Service, P.O. Box 1377, Luquillo, Puerto Rico 00773-1377

Sharon A. Cantrell

     Ciencia y Technología, Universidad de Turabo, P.O. Box 3030, Gurabo, Puerto Rico 00778

Angel M. Nieves-Rivera

     Departamento de Ciencias Marinas, Universidad de Puerto Rico, P.O. Box 5000, Mayagüez, Puerto Rico 00680

Five new species of Psilocybe from the Caribbean are described: P. caribaea, P. egonii, P. subpsilocybioides, P. zapotecoantillarum and P. zapotecocaribaea. All except P. zapotecocaribaea, which is known only from Martinique, are native to Puerto Rico. Psilocybe guilartensis, previously described from Puerto Rico, is the most commonly collected species of Psilocybe in Puerto Rico. New information on morphology is provided for P. guilartensis, and an emendation of the species circumscription is presented.

Key words: Agaricales, Antilles, Martinique, Puerto Rico, Strophariaceae