Crucibulum laeve

Outer peridial hyphae filamentous, thick-walled, with ochraceous brown intracellular pigment, some branched, up to 3 µm wide, with few clamp connections.

Peridiole hyphae filamentous, densely interwoven, thick-walled, with intracellular pigment, up to 4 µm wide.

Basidia cylindric-clavate, up to 30 µm long, 4-spored.

Spores ellipsoidal, smooth, hyaline, moderately thick-walled, with a slightly more pointed end, without an appreciable apiculus.