Diderma sauteri (Rostaf.) E. Sheld. 1895

Diderma sauteri (Rost.) Macbr. N. Am
Slime-Moulds 103. 1899.
Chondrtoderma Sauteri Rost. Monog. 181. 1874.
Chondrioderma aculeatum Rex, Proc. Acad. Phila. 1891: 390. 1891.
Sporangia scattered, gregarious, sessile, subglobose or lenticular, 0.6-1 mm. in diameter, ochraceous, pinkish-gray or pale reddish-brown; peridium double, the outer layer cartilaginous, thin, smooth or occasionally wrinkled, rupturing irregularly, remote from the thin, semitransparent, grayish or sometimes iridescent inner layer; hypothallus not apparent; columella small and scarcely evident, often reduced to a thickened, brownish-red, rugose base; capillitium scanty, the threads pale violaceous or colorless except at the reddish-brown bases which often adhere to the columella and cause it to appear spiny; spores dark violet-brown by transmitted light, spinulose, 12-13 y. in diameter; Plasmodium white.
Type locality: Austria.
Habitat: Mosses and mossy logs.
Distribution: Maine to Quebec, south to Pennsylvania; Europe.