Nemania quadrata (Schwein.) Y.-M. Ju & J. D. Rogers
TELEOMORPH | CULTURES AND ANAMORPH | SPECIMENS EXAMINED | NOTES
TELEOMORPH
Nemania quadrata (Schwein.) Y.-M. Ju & J. D. Rogers, Nova Hedwigia 74: 105 (2002).
º Sphaeria quadrata Schwein., Trans. Amer. Philos. Soc., N. Ser., 4: 194 (1832).
º Hypoxylon quadratum (Schwein.) Ellis & Everh., N. Amer. Pyrenom.: 631 (1892).
= Hypoxylon regale A. P. Morgan, J. Mycol. 10: 162 (1904).
Stromata discoid, superficial, 2-5 mm diam x 0.7-1 mm thick; surface blackish brown, plane, smooth; carbonaceous tissue immediately beneath surface; whitish, soft tissue between perithecia; tissue beneath the perithecial layer inconspicuous.
Perithecia spherical, 0.4-0.7 mm diam.
Ostioles higher than the stromatal surface, with openings papillate.
Asci fragmentary, with apical ring bluing in Melzer's iodine reagent, inverted hat-shaped, 3.5-5 µm high x 4-5 µm broad.
Ascospores light brown to brown, unicellular, ellipsoidal-inequilateral, with narrowly rounded ends, 20.5-26 x (8-) 8.5-10.5 µm, with straight, inconspicuous, 2 µm-broad germ slit 1/3 to 1/4 spore-length on the dorsal side.