PHYSARVM 101 



stipitate, white; stalk when present opaque conical, black below, 

 white above, in crateriform sporangia entering and developed as a 

 columella; capillitium various, strongly calcareous, the nodules either 

 grouped in a pseudo-columella, or in globose sporangia, rod-like, 

 ascending; spores closely spinulose, 11-15 fi. 



Reported from Ceylon, Japan, West Indies; Lisbon. 



Physarum gulielm/E Penzig. 



1898. Physarum gulielmae Penzig., Myx. Beut., p. 34. 



1909. Physarum gulielmae Penzig., Torrend, Fl. des Myx., p. 208. 

 1911. Physarum gulielmae Penzig., List., Mycetozoa, 2nd ed., p. 76. 



Plasmodium yellow; sporangia subglobose, sessile, brownish-orange 

 or chestnut brown, rugulose, clustered or heaped, often with a yellow 

 membranous hypothallus; peridium membranous with clustered de- 

 posits of yellowish-brown lime granules; capillitium abundant, the 

 nodes angular, branching, white; spores purplish brown, spinulose, 

 10-12 II. 



Reported from Java, Sweden, Switzerland. 



Physarum echinosporum List. 



1899. Physarum echinosporum List., Jour. Bot., XXXVIL, p. 147. 



This species is distinguished from the preceding chiefly in episporic 

 characters. "Spores purple, 8 fi, marked by strong ridges and spines," 

 8/x. 



Reported from Antigua. 



Physarum /eneum (List.) R. E. Fries. 



1898. Physarum murinum van aeneujn Lister, Jour. Hot., XXXVL, p. 117. 

 1903. Physarum aeneum Lister, R. E. Fries, Arkiv. Bot., L, p. 62. 



Sporangia sessile, subglobose or plasmodiocarpous, pinkish-brown 

 or bronze, glossy; peridium double, the outer somewhat cartilaginous, 

 brittle, falling back from the shining, membranous inner wall ; capil- 

 litium dense, the nodules not large, brown, sometimes aggregated to 

 form a pseudo-columella; spores pale brownish-violet, nearly smooth, 

 6—8 fx. 



Reported from West Indies, Bolivia. 



