Description:
Thallus: white, thin, often of dispersed areoles on a black prothallus.
Apothecia: numerous, black, sessile with a convex disc and thick proper margin.
Ascus: Lecidea-type.
Hymenium: tall, with a greenish-blue tint; paraphyses thin (1 Ám wide), sparingly branched and anastomosing, slightly swollen at the apex with a brown cap. No apparent subhymenium
Hypothecium: brown
Ascospores: simple, broadly ellipsoid, 12-15 x 5.5-8 Ám.
Exciple: pale brown withinn with a darker rim; hyphae 3-4(-5) Ám wide
Conidiomata: pycnidia; black, immersed. Conidia bacilliform, 8-10 x 1 Ám

Chemistry: Stictic acid, ▒norstictic acid (one specimen). Medulla I-

Distribution & Ecology: Four collections, all from the summits of mountains on Campbell Island.

Notes: This species was originally reported as Porpidia platycarpoides (Fryday 2003) but it has Lecedia-type asci, almost unbranched paraphyses and narrow excipular hyphae.

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Thallus and apothecia


Ascus