ASCOMICETI DELLE DUNE DEL LITORALE TOSCANO

Six ascomycetes from sand dunes of the coastline of Tuscany are described. Taxonomic, chorologic, mycocoenologic and bibliographic notes concerning Geoglossum cookeanum, Geopora arenicola, Marcelleina atroviolacea, Peziza bolto­ nii, Peziza pseudoammophila and Pithya cupressi are given. The collections are pre­ served in the Herbarium of the Museo Civico di Storia Naturale in Venice. Introduzione