Figure 13.

Melanconis stilbostoma. a–r Sexual morph a–d pseudostromata with ectostromatic discs in face view e cross section through 2 adjacent pseudostromata f vertical section showing 2 perithecia, ostiolar necks and central column g–k asci l–r ascospores j, k in aqueous Congo Red s–b1 Asexual morph s, t conidiomata in face view u conidioma in cross section v–x conidiophores and conidiogenous cells y–b1 α-conidia v–b1 in 3% KOH a, j, s, v–x iso-epitype WU 31897 = W.J. 1543 b–dWU 31896 e–g, i, k, oWU 38241 h, p, qWU 36779 l–n, a1 WU31899 rWU 37048 tWU 31894 uWU 15266 yM. betulinum B700016529 zM. betulinum B700016528 a1 WU31899 b1WU 35970 = D143. Scale bars: 1 mm (a, b), 300 µm (c, d), 500 µm (e, f, t, u), 15 µm (g–k), 5 µm (l–r, y–b1), 2 mm (s), 10 µm (v–x).