Fig. 27.

Didymosphaeria futilis (from K(M): 147683, holotype). a Two immersed ascomata on the host surface (one of them is cut horizontally). b Section of an ascoma. Note the thin peridium. c Hand cut portion of ascoma showing habitat in wood. d Asci in pseudoparaphyses. Note the trabeculate pseudonparaphyses anastomosing above the asci. e, f Four-spored asci with long pedicels which are rounded at their bases. g Brown, 1-septate ascospores with spinulose ornamentation. Scale bars: a = 0.3 mm, b, c = 100 μm, d–g = 20 μm