Perithecium flat, opening at the base. Perithecium membranaceous, at length effused. Perithecium irregular, thin, confluent. Perithecium minute, incorporated. Spores oblong or thread-shaped, simple or septate, escaping in tendrils.
Spores uniseptate or simple, escaping in tendrils.
Perithecium minute, seated on a discoloured spot. Spores more or less globose, escaping in tendrils through a fissure. Perithecium bursting longitudinally. Spores oblong, uniseptate. Perithecium excipuliform, hispid.