Fig. 21.
Chaetomastia hirtula (from H, FFE 825, kleptotype). a Superficial ascomata gregarious on the host surface. b Section of a partial peridium. Note the cells of textura angularis with relatively thick wall. c, d Cylindrical asci with long and furcate pedicels. e, f Brown, 3-septate ascospores. Scale bars: a = 0.5 mm, b = 50 μm, c–f = 10 μm