Thallus ochraceous-olivaceous, thin, granular, squamulose, squamules 0.1 mm diam., or less, discrete or ± imbricate, convex, margins subascendent, indeterminate or in welldefined, areolate patches 2-6(-8) cm diam. Apothecia reddish-brown to brown-black, translucent when wet, 0.5-1.8 mm diam., disc plane to subconvex, margins entire, concolorous with disc, swollen. Hymenium colourless or pale brownish, 45-60 µm tall. Hypothecium brownish-yellow or reddish brown, thick. Paraphyses dense, capillary, apices capitate, to 5 µm thick, strongly conglutinate, pale straw-coloured not pigmented at apices. Asci clavate. Ascospores ovoid, 15 × 9 µm, with several oil droplets.