'Studia Lichenologica' in Central Italy. II. New epilithic species to Umbria. -52 infrageneric taxa of epilithic lichens, from natural habitats of mountains and hills near Temi (S Umbria, C Italy), are reported. This region was, until a few years ago, one of the least studied of Italy. Thanks to a systematic exploration started in the last years, the number of known taxa has increased. The epilithic lichen flora of the Temi area has been studied for the first time: this contribution concerns species which are new to the region of Umbria, with some notes on their ecological and phytogeographical characteristics. Key words: epilithic lichens, flora, Umbria region (Central Italy).