About spirals and pores: Xylariaceae with remarkable germ loci

. 2022 Aug 13;49:58–98. doi: 10.3767/persoonia.2022.49.02

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Fig. 13 — *Helicogermslita celastri*. a–g, j–k. Habit of erumpent (a–g) and immersed (j—k) stromata on host surface in face (a–f, j) and side (g, k) view; h–i. uniperitheciate stromata in vertical (h) and transverse (i) section, arrows denoting peridium; l. clypeate ectostroma in section; m–n. peridium in face view (m) and transverse section (n); o–q. asci; r–u. ascus apices in 3 % KOH (r–s) and Lugol’s solution after 3 % KOH pretreatment (t–u); v–x. apical apparatuses in Lugol’s solution (v–w) and in Lugol’s solution after 3 % KOH pretreatment (x); y–z. young ascospores with cellular appendage in Lugol’s solution after 3 % KOH pretreatment; a1-i1. ascospores (a1, bl in unknown mounting medium; hi, i1 aberrant). All in 3 % KOH, except where noted (a, c, e–i, l, n–p, r, t, c1-d1. IMI 321924; b, d, m, z, ei. IMI 309809; j–k, q, s, u–y, fl–il. IMI 315985; al–bl. IMI 190412 (isotype slide)). — Scale bars: a = 1 mm; b–c = 500 μm; d–k = 200 μm; l–n, r–u, a1 -i1 = 10 μm; o–q = 20 μm; v–z = 5 μm.

Fig. 13.