Geoglossum umbratile

Supporting contextual hyphae filamentous, hyaline or with faint brown intracellular pigment, arranged parallel with simple septa.

Asci cylindrical to fusiform, up to 180 µm long, generally 8-spored, with an amyloid apical apparatus in Lugol's solution.

Paraphyses filiform, septate, with irregularly swollen, curved, rounded, subcapitate apices projecting up to 20 µm above the asci.

Ascospores cylindrical to subfusiform, somewhat curved, greenish-brown under the microscope, with one end more pointed, generally 7-septate.

Herbarium material available: JTP2724/26.