Basidiomicetos de Costa Rica. <i>Exobasidiales</i>, <i>Cryptobasidiales</i>. Notas históricas, taxonómicas y fitogeográficas

Resumen

The Exobasidiáles, Exobasiidiaceae, are represented in Costa Rica by two genera: Exobasidium whicl1induces hypertrophies in leaves and flowers Of Ericaceae:Exobasidium vaccinii on species of V áccinium and P ernettya and E. gaylussaciae onMacleania and Sátyria; Exobasidiumflos·cavendishiae sp.nov., which causes hypertrophy on theflotá.l bractsof Cavendishia capitulara; Exobasidium ralamancense sp. nov. which causes leilfgá.lls in Vaccinium eonsanguineur/1. which resemble large, pendent "inilorescences" and E. rhododendri which infests cultivated ericads,e.g.;\zalea, Rhododendron. A new host record for neotropical Exobasidialesis herc.described as Exobasisidum escalloniae, a shoot . parasite otEseallon.ia myrtillóidesin theSaxifragaceae. The species of KordyafU]., parasitíc onlllonocots, is represented by K. tradescantiae, elinaceae. The general distribution of Exobasidiceae is discussed and an ¡utifiéial keyto the generaofEXobasidiaceaeandto the CostaRican