MYCETOZOA 



c .^^..^ d 



301 



g 



ssa: 



)W 



Fig. 137. a, b, Amaurochaete fuliginosa MacBride (a, group of spo- 

 rangia, X|; b, capillitium, XlO) (Lister); c, Empty sporangium of 

 Cribraria aurantiaca Schrader, x20 (Lister); d, sporangium of Orca- 

 della operculata Wingate, X80 (Lister); e, Cluster of sporangia of 

 Tuhulina Jragijormis Persoon, x3 (Lister); f, Aethalium of Reticularia 

 lycoperdon Bull., Xl (Lister); g, Aethalium of Lycogala miniatum 

 Persoon, Xl (Lister); h-j, Trichia affinis de Bary (h, group of sporan- 

 gia, X2; i, elater, X250; j, spore, X-iOO) (Lister); k,\, Arcyriapunicea 

 Persoon (k, four sporangia, X2; 1, part of capillitium, X250 and a 

 spore, X560) (Lister); m, n, Ceratiomyxa fruticulosa MacBride 

 (m, sporophore, X40; n, part of mature sporophore, showing two 

 spores, X480) (Lister). 



Genus Tubulina Persoon (Fig. 137, e) 



Sporangia without tubular extensions. 



Many sporangia more or less closely fused to form large bodies 



(aethalia); sporangium-wall incomplete and perforated 



Family 4 Reticulariidae 



Genus Reticularia Bulliard (Fig. 137, /) 



Walls of convoluted sporangia incomplete, forming tubes and 

 folds with numerous anastomosing threads. 



Sporangia forming aethalium Family 5 Lycogalidae 



