Flora of New Zealand Series

Holotype: New Zealand. Sine loco. W. Colenso, 4734, H-NYL 23869.

Thallus effuse, indeterminate, continuous, warty, uneven, without a prothallus, terricolous. Upper surface glaucous-whitish or creamish, matt, epruinose, thalline warts subhemispherical or variously swollen, 0.3-1 mm diam., without isidia or soredia. Cephalodia scattered, sessile, very irregular, variously lobate or folded or cracked, to 1 mm diam., dark yellowish, flesh-coloured, matt. Apothecia scattered, subpedicellate, rounded, to 3 mm diam., thalline margin prominent, entire, swollen, often white-pruinose, disc dark red-brown, plane or subconcave, white-pruinose. Hymenium 120-165 µm tall. Hypothecium colourless. Paraphyses not, or slightly thickened at apices. Ascospores biseriate, elongate-ellipsoid or ellipsoid-fusiform (15-)17-21(-24) × 5-6(-7.5) µm. Pycnidia immersed in thalline verrucae, ostiole colourless. Conidia filiform, slightly curved, 18-24 × 0.5 µm. Chemistry: Cortex K+ yellow, C+ rose; medulla K+ yellow, C+ rose, Pd-.

N: Sine loco, W. Colenso (BM, H-NYL, WELT). S: Canterbury (Cass). Poorly known, but probably more widely distributed, on soil.

Endemic