RESUPINATE BASIDIOMICETES FROM COSTA-RICA - EXIDIACEAE (TREMELLALES)

Ten species of Basidiodendron: burtii, caesio-cinerea, cinerea, eyrei, fulvum, pini, rimosa, rimulenta, spinosa and obscura (Martin) Gomez, Kisimova & Oberv. comb. nov., are discussed and reported from Costa Ri ca Only one, B. eyrei, was previously known from the country. Exidiops is is now represented by two species: laccata and macroacantha, the la tter is a new geographical extension. The genus Heterochaete was previ ously represented by one species and three are added. Heterochaete cys tidiophora (Lowy) Oberw., Kisimova-Horovitz & L.D.Gomez comb. nov.,was described and known only from Brasil, H. hirneoloides, H. maculata an d H. shearii are now added to the mycota of Costa Rica.