A NEW SPECIES OF CATILLARIA FROM COASTAL MEDITERRANEAN REGIONS

A revision of several specimens of Catillaria mediterranea Hafellner r evealed that two species can be recognized: C. mediterranea s. str., w hich has 8-16 spores per ascus, grows on foliose and fruticose lichens , and has a Mediterranean-Macaronesian, montane distribution, and C. p raedicta Tretiach & Hafellner sp. nov., which has (16-)24-32(-48) spor es per ascus, occurs on shrubs in coastal Mediterranean maquis, and ha s a Mediterranean, maritime distribution. The systematic affinities of the two species with the 8-spored C. nigroclavata (Nyl.) Schuler are briefly discussed. (C) 1998 The British Lichen Society.