Fig. 8

Camillea saulensis (from holotype). A Habit of a fragmentary stroma erumpent from bark; B Close-up on the stromatal surface showing scattered papillate ostioles; C Stroma in vertical section showing tubular to flask-shaped perithecia sharing common ostioles; D Close-up on a papillate ostiole; E Ascus apex in blue Pelikan ink, showing an apical pulvillus stained blue; F Ascus apex in blue black Waterman ink, showing an apical pulvillus stained dark grey; G, H Ascus apices showing the subapical apparatus bluing in Melzer’ reagent; I Basal part of a paraphysis, in Congo red; J Bundle of immature and mature asci showing refractive content, in Congo red; K Mature ascus in blue black Waterman ink; L, M Two barely mature ascospore in ventral view showing a narrow straight white line (arrows), in Melzer’s reagent; N Ascospore in side view, in 1% SDS; O, P Ascospores in side view showing a ventral paler area of variable width, in blue Pelikan ink; Q Atypical ascospores with pigmented wall, in Melzer’s reagent; R Discharged ascospores showing a wide, unpigmented ventral zone, in 1% SDS. Scale bars: A = 10 mm; B, C = 0.5 mm; D = 0.2 mm; E-H = 5 μm; I, L-R = 10 μm; J, K = 50 μm