Craterium concinnum

Craterium concinnum Rex, Proc. Acad
Phila. 1893:370. 1893.
Sporangia stalked, gregarious, 0.2-0.5 mm. in diameter, 0.5-0.8 mm. tall, broadly funnelshaped or goblet-shaped; peridium simple, cartilaginous, pinkish-brown, bearing scattered, brown lime granules, darker below; operculum convex, thin, pale brown, membranous, falling off as a whole at dehiscence; stalk about equal to the spore-case in height or a little shorter, reddish-brown, limeless; capillitium rather dense, of small, rounded or angular, brownish nodes connected by short, hyaline threads, the nodes larger toward the center and sometimes tending to form a pseudocolumella ; spores black in mass, dusky purplish-brown by transmitted light, spinulose, 9-10 /* in diameter; Plasmodium milky, then cream-colored.
Type locality: Philadelphia, Pa.
Habitat: Dead wood and leaves and vegetable litter, especially of Castanea dentata Borkh. Distribution: Massachusetts to Virginia and Iowa; Japan, h : >