perithecia_color_dark
dark
perithecial walls rough, consisting of two thick-walled layers: outside layer of textura globulosa, 30-60 µm wide, becoming more compressed towards inner layer of textura angularis, 10-20 µm wide, becoming thin-walled and hyaline towards the center, outer cells 20-50 - 15-35 µm, inner cells 10-20 - 5-8 µm; perithecial base up to 150 µm wide, consisting of dark red, angular cells, merging with an erumpent stroma, cells of the outer wall layer continuing into the pseudoparenchymatous cells of the erumpent stroma.
Calonectria multiseptata
Calonectria multiseptata