Flora of New Zealand Series

P. emiscens (Nyl.) Müll. Arg., Bull. Soc. r. Bot. Belg. 31: 38 (1892).

Verrucaria emiscens Nyl., Lich. N.Z.: 129 (1888).

Holotype: New Zealand. Sine loco (prob. Wellington). Charles Knight 1882, H-NYL 1984!

Thallus dark olive brownish. red-brown or greyish-brown, indistinct in places, in irregular patches 2-5 cm diam. Perithecia scattered, minute, black, semi-immersed, subconvex, 0.01-0.1 mm diam. Paraphyses septate, filiform, 1.7 µm thick. Asci clavate, thin-walled, 8-spored, spores spirally arranged, 51-60 × 12-14 µm. Ascospores fusiform, with rounded or pointed ends, 3-5-septate 20.4-27.2 × 3.4-5.1 µm.

N: Known only from the type collection.

Endemic

The material in Nylander's herbarium in Helsinki is annotated "Bacidia (Lecidea) minutissima Kn." in Knight's hand.