Nemania angusta (Petch) Y.-M. Ju & J. D. Rogers

TELEOMORPH | CULTURES AND ANAMORPH | SPECIMENS EXAMINED | NOTES

TELEOMORPH

Nemania angusta (Petch) Y.-M. Ju & J. D. Rogers, Nova Hedwigia 74: 87 (2002).

º Hypoxylon angustum Petch, Ann. Roy. Bot. Gard. (Peradeniya) 8: 156 (1924).

Stromata effused-pulvinate, superficial, 3-15 mm long, 2-8 mm broad, 0.5 mm thick; surface blackish brown, with inconspicuous perithecial mounds, smooth; carbonaceous tissue immediately beneath surface; whitish, soft tissue between perithecia; tissue beneath the perithecial layer inconspicuous.

Perithecia spherical, 0.3-0.4 mm diam.

Ostioles slightly higher than the stromatal surface, with openings slightly papillate.

Asci fragmentary, with apical ring bluing in Melzer's iodine reagent, urn-shaped, 5.5-6 µm high x 4.5-5 µm broad.

Ascospores brown, unicellular, ellipsoidal-inequilateral, with narrowly rounded ends, 24-28 x 9-10 µm, with straight, conspicuous germ slit 1/4 to 1/3 spore-length on the dorsal side at center of dark, elliptical area.