Sporangia regular, sessile, hemispheric, the base depressed, gregarious, chestnut-brown, shining; the wall thin, smooth, dark-colored and nearly opaque, dehiscent at the apex into regular segments.
"The Myxomycetes of the Miami Valley, Ohio"
A. P. Morgan
The columella hemispheric, rugulose, usually snow-white.
"The Myxomycetes of the Miami Valley, Ohio"
A. P. Morgan
Sporangia roundish or hemispheric, more or less irregular and deformed, sessile or with a very short stipe, and closely crowded together upon a strongly-developed common hypothallus; the wall a dark colored membrane, with a thin layer of stellate crystals of lime.
"The Myxomycetes of the Miami Valley, Ohio"
A. P. Morgan