Bacidia wellingtonii

Detailed description

Thallus pale olive-greenish or yellowish to ± fawnish-yellowish, areolate-cracked, minutely wrinkled-plicate, uneven or in parts shallowly papillate, smooth, varnish-like in parts to minutely roughened, delimited by a faint black prothallus, in round to irregular patches, 1-3 cm diam. Apothecia conspicuous, scattered or 1-3-confluent, round to irregularly deformed through mutual pressure, 0.5-2.2 mm diam., sessile to subpedicellate, black, matt, smooth or minutely roughened, plane to convex, margins entire, thin, concolorous with disc or occasionally red-brown, slightly raised in young fruits, excluded at maturity. Epithecium granular, blue-black, 4-13 µm thick. Hymenium colourless, 80-120 µm tall. Hypothecium massive, yellow-brown. Ascospores 10-15(-18)-septate, (50-)60-90 × (2-)3-4 µm, spirally curved.