SPOROCARPS: total height 0.4 to 0.9 mm. Sporangia scattered, usually stalked, rarely sessile, urn shaped or subglobose, 0.1 to 0.3 mm. diam., brown or nearh' black, with a convex, dull yellow, glossy lid; sporangial wall cartilaginous, opaque from deposits of refuse matter; lid mem branous, minutely papillose.
STALK: cylindrical, rough, furrowed, nearly black from dark refuse matter.
NOTE: this species is so small, and concolorous with the habitat, that it is almost impossible to find it except accidentally along with another colection.