Phaeocryptopus nudus (Peck) Petr., Annls mycol. 36(1): 15 (1938).
Parasitic on conifer needles. Sexual state: Mycelium superficial, extensive, brown. Ascostromata 13−21 µm diam, black, superficial, gregarious, solitary or scattered, globose to subglobose, coriaceous, forming linear spots parallel along the middle vein. Hamathecium lacking pseudoparaphyses. Asci 41−48 × 11−19 µm ( = 45 ×17 µm, n =5), 8-spored, bitunicate, fissitunicate, clavate, widely oblong, lacking a pedicel, ocular chamber not observed. Ascospores 11−18 × 3−9 µm ( = 14 × 6 µm, n = 5), uniseriate to triseriate, partially overlapping, hyaline,1-septate, stongly constricted at the septum, upper cell slightly larger than lower cell, clavate, widely oblong, guttulate. Asexual state: Unknown.
Material examined: USA, Adirondack mountains, on dead needles of Abies balsamea (S- F67760 holotype?).
Fig. 1 Phaeocryptopus nudus (F67760, holotype). a, b Herbarium material. c,d Ascomata on the host surface. e, f Asci. g Ascospores. Scale bars: d = 1000 μm, e, f = 20 μm, g = 10 μm.