Catapyrenium endocarpoides and Placopyrenium bucekii var. triseptatum from Turkey are described as new. C. endocarpoides is characterized by its epilithic habit, short rhizines, a cellular medullary tissue, and clavate asci with broadly ellipsoidal spores. P. bucekii var. triseptatum is recognized by up to 4-celled spores (1 - or 2-celled in the type variety). Both taxa are yet known only from Turkey. Key words: Lichenized Ascomycetes, Verrucariales, Verrucariaceae, Catapyrenium endocarpoides, spec, nova, Placopyrenium bucekii var. triseptatum, var. nova. - Systematics, taxonomy. - Mycoflora of Turkey, Asia.