SPORANGIA: Gregarious, spherical, 0.5-1 mm., white, stipitate, sessile.

STALK: About 1 mm., subulate, yellowish-white, rugose; columella none.

PERIDIUM: Wall membranaceous, rupturing irregularly, thickly studded with rounded white lime-granules.

CAPILLITIUM: D ense, snow-white, with minute, white, round or rounded nodes, in the centre a conspicuous mass of lime forming a shining ball, not part of the stipe although sometimes produced toward it.