Fig. 51.

Lophiostoma macrostomum (a–h, j from UPS, leptotype; i from IFRD 2005). a Appearance of ascomata on the host surface. Note the raised crest-like areas and full length germ slits. b Section of the peridium. c–e Cylindro-clavate asci with ascospores arranged in a 2-3-seriate manner. f Hamathecium comprising branching and septate pseudoparaphyses. g–j Released or unreleased ascospores. Note the smooth young ascospores with terminal sheath, and the verrucose senescent ascospores. Scale bars: a = 0.5 mm, b = 200 μm, c–j = 10 μm