FIGURE 5 in Introducing Nigrograna italica sp. nov. (Nigrogranaceae) from Corylus avellana and Valsaria tectonae sp. nov. (Valsariaceae) from Tectona grandis

FIGURE 5. Nigrograna italica (MFLU 23-0139, holotype). a Dead branch of Corylus avellana. b Ascomata on host. c Vertical section of an ascoma in an oblique position with an eccentric ostiolar neck. d Vertical section of an ascoma with a central ostiolar neck. e Ostiolar neck. f, g Section of peridium (g in 3% KOH). h, i Subicular hyphae (i in 3% KOH). j–m Pseudoparaphyses (m showing the apex of a pseudoparaphysis). n–p Immature and mature asci. q–v Immature and mature ascospores (v in 3% KOH). Scale bars: a = 1 mm, b = 200 µm, c, d = 100 µm, e = 50 µm, f, g = 20 µm, h–m = 5 µm, n–p = 30 µm, q–v = 10 µm.