SPORANGIA: total height 1.5 to 5 mm., stalked, piriform or turbinate, free or combined in small clusters, 0.6 to 0.8 mm. diam., yellowish olive, reddish brown, brown, or purple, often areolate with paler lines of dehiscence.

STALK: cylindrical, often adherent in clusters of two to eight, furrowed, red or purplish brown, consisting within of spongy tissue enclosing refuse matter.

PERIDIUM: of two layers, the outer charged with granular matter and continued into the stalk, the inner membranous, translucent, enclosing the spores.

CAPILLITIUM: of cylindrical yellowish-brown elaters 4-5 µm in diameter, sometimes branched, gradually tapering to long, slender points that are smooth at the tips, marked with three to five flattened or prominent, lax, and often rugged spiral bands.