SPORANGIA: total height 1 to 2 mm., subglobose, flattened beneath and sometimes above, nodding, about 0.5 mm. diam., yellow, gray, bronze, or dark and iridescent from the absence of lime, stalked; sporangial wall membranous, colorless above, yellowish below, stouter and persistent at the base.

STALK: slender, subulate, twisted, without lime, red, copper-colored, or pale brown.

CAPILLITIUM: a close net work of hyaline threads, with numerous yellow, fiat expansions at the axils, firmly attached to the base of the sporangium, and usually persistent after dispersal of the spores; lime nodes usually small, angular, yellow.