... CAESPITOSA, Sturgis. Sporangia short, clavate, densely crowded or caespitose upon a delicate hypothallus; the wall subpersistent, silvery, shining with tints of purple and blue. Stipe very short or nearly obsolete, the columella rising to two-thirds or three-fourths the height ... — The Myxomycetes of the Miami Valley, Ohio • A. P. Morgan