42 A Monoijra])li of the Myxogastres. 



Reticularia maxima, Corda, Ic. vi. 85 (1852), 

 Beticularict granulosa, Qi^rstd. MSS. 



0. Aetlialium covered with a common cortex. 

 Tubulina spumarioidea, Cke. and Mass. 



Aethalium large, irregular, cortex membranaceous, higUt grey, 

 with anastomosing veins inside ; walls of sporangia almost 

 colourless, very thin and soon disappearing; mass of spores 

 orange with a tinge of olive ; spores globose, with oxtther large, 

 oltuse loarts, 16 — 18 /x diameter. 



Licea sj)%imarioidca, Cke. and Mass., Grev., vol. xvi. p. 74 

 (1888). 



Running over twigs and on the ground. Near Melbourne, 

 Australia. 



Aethalia subglobose or irregular, varying from | to 1 inch 

 across, creeping up grass and twigs like Siyivmaria alhcc ; common 

 cortex bright grey, thin, subpersistent, with numerous anasto- 

 mosing vein-like thickenings in the inside of the wall. Spor- 

 angia densely crowded, flexuous, wall thin, at first imperforate, 

 soon disappearing. 



Imperfectly known species. 

 Tubulina brunnea (Preuss.). 

 Closely gregarious; sporangia ochraceous-brown, rotund, sub- 

 depressed, wall papyraceous, irregularly torn, upper portion 

 disappearing in a subcircumscissile manner ; spores globose, 

 minute, ochraceous, threads none. 



Licea hrunnca, Preuss., Hoyersw., n. 275 ; Schroet., p. 102 ; 

 Sacc, SylL, 1887. 



On semi-putrid trunks of pines. Germany ; Silesia. 



Tubulina Lindheimeri, Mass. 



Broadly effused, externally blackish, mass of spores ferru- 

 ginous-orange ; spores globose, smooth, — 7 fx diameter. 



Luxa Lindheimeri, Berk., Grev. v. 2, p. 05 ; Sacc, Syll., v. 7, 

 n. 1388. 



