Dictydiaethalium plumbeum

Peridium simple, smooth and membranous, very thin in the lower part and persistent in the upper part where it forms pigmented polyhedral plates up to 200 µm wide.

In section, a filiform pseudocapillitium is observed detaching from the margins of the upper plates; pseudocapillitium slender, pale greenish-yellow, translucent, 2 to 4 µm wide.

Spores globose to subglobose, pale yellow under the microscope, ornamented with fine spines up to 1 µm.

Herbarium material available: JTP2420/25.