Badhamia curtisii

Badhamia curtisii (Berk.) Rost. Monog. Append. 5. 1876
Physarum rubiginosum Chev. Fl. Paris 1: 338. 1826. Not P. rubiginosum Fries, 1817.
Didymium Curtisii Berk. Grevillea 2:65. 1873. .,
Craterium obovatum Peck, Ann. Rep. N. Y. State Mus. 26: 75. 1874.
Scyphium rubiginosum Rost. Monog. 148. 1874.
Scyphium Curtisii Rost. Monog. 149. 1874.
Badhamia dictyospora Rost. Monog. Append. 4. 1876. Badhamia rubiginosa Rost. Monog. Append. 5. 1876. Craierium rubiginosum Massee, Monog. 270. 1892. Craterium dictyospermum Massee, Monog. 270. 1892. Craierium Curtisii Massee, Monog. 272. 1892. Badhamia subaquila Macbr. N. Am. Slime-Moulds 64. 1899.
Sporangia gregarious or scattered, often forming extensive fruitings, obovoid, 0.5-0.7 mm. in diameter, grayish or purplish-brown, stipitate, rarely sessile; peridium thin, brittle, paler and somewhat calcareous above, more persistent and darker below, merging into the stalk; stalk erect, usually about the height of the sporangium, prolonged as a columella into the sporangium for about two-thirds of its total height ; capillitium dense, white or pale brown, radiating from the columella; hypothallus dark, thin, continuous or netted beneath the colony; spores dark brown in mass, dark violet or purple-brown by transmitted light, strongly war ted, often verrucose-reticulate or with a coarse overlying reticulation, variable in size in different collections but mostly 13-17 p in diameter; Plasmodium yellow.
Type locality: France.
Habitat: Rotten wood and plant debris; common. Distribution: Temperate North America; Europe; Japan.