Fig. 4.
Albicollum canicolle. a–e. Habit of ostiolar necks erumpent from bark; f. ascoma in vertical section; g. peridium in vertical section, in chloral-lactophenol; h. ostiolar neck wall in vertical section, in chloral-lactophenol; i–o. apical apparatuses in water (i), Lugol’s solution (j–m) and Lugol’s solution after 3 % KOH pretreatment (n–o); p–q. asci in diluted Indian ink and black Pelikan ink respectively; r–u, w–z. ascospores in 1 % SDS; v. ascospore in PVA-lactophenol showing an ornamented wall and an equatorial germ slit; a1. ascospore in 3 % KOH showing a slightly prominent equatorial germ slit (a–b, e–h, q, s–v, a1. WU-MYC 0043997 - epitype; c. WU-MYC 0043999; d, i–k, n–p. WU-MYC 0044000; l–m. WU-MYC 0040045; r, w, z. WU-MYC 0044003; x–y. WU-MYC 0044013). — Scale bars: a–f = 0.5 mm; g, r–a1 = 10 μm; h = 100 μm; i–o = 5 μm; p–q = 50 μm.