Mycoblastus sinensis, a new lichen species from China

A new lichen species, Mycoblastus sinensis Kantvilas, is described from Yunnan Province, China. It is characterised by an esorediate thallus containing atranorin and fumarprotocetraric acid, relatively large apothecia heavily infused with a violet pigment and surrounded by a Byssoloma-type rim, and two-spored asci. Its relationships with some other species of the genus are discussed.