First person to use this name on MO: Thomas Laxton
Plasmodium white. Pseudoaethalium 4-5 mm tall and about 3 cm diam., dull black or very dark brown, sessile, irregularly cylindrical, c. 0.3 cm diam., merged in the basal half. Hypothallus thin and silvery, red-brown by TL. Peridium fugacious with the exception of plates which are united to the capillitium ends, plates red-brown and smooth with a thicker margin. Columella always present, hollow; red-brown at the base by TL, black and opaque above, irregular, sometimes merged with others at the base, sometimes split, attenuated and wavy above. Capillitial branches connected to the columella and forming a wide-meshed irregular net with membranous enlarged axils, at the periphery with rather stiff free ends, dark brown. Spores lilac-brown, 8-9 µm diam., covered with short, distinct dark spines.
Taken from: http://www.discoverlife.org/...: