Thecium 120-130 (140 ) µm high. Asci 8-spored. Spores muriform, quickly becoming brown, (25)27.5-29.2-32.5 x 16-17.6-19 ( 20 ) µm. Thallus K-, medulla l-, K-, epithecium K+ red (sometimes this reaction is very weak) . On more or less inclined surfaces, rarely vertical, either sunny or open to the rain (Fig. 2: e).