MYCETOZOA 



189 



Family Recticulariidae 



Genus Reticularia Bulliard (Fig. 7\,f). Walls of convoluted 

 sporangia incomplete, forming tubes and folds with numerous 

 anastomosing threads. 



Family Lycogalidae 

 Genus Lycogala Adanson (Fig. 71, g). 



Fig. 71 a, b. Amaurochaete fidiginosa MacBride. a, group of sporangia 

 (Xl/2); b, capillitium (XIO). 



c. Sporangium of Cribraria aurantiaca Schrader, from which the 

 spores have been dispersed. X20. 



d. Orcadella operciilata Wingate. Sporangium with lid opened. 



X80. 



e. Tubulina fragiformis Per soon. Cluster of sporangia. X3. 



f. Aethalium of Reticularia lycoperdon Bull. Natural size. 



g. Aethalium of Lycogala miniatum Persoon. Natural size. 



h-j. Trichia affinis de Bary. h, group of sporangia (X2); i, elater 



(X250); j, spore (X400). 

 k, 1. Arcyria punicea Persoon. k, four sporangia (X2); 1, part of 



capillitium (X250) and a spore (X560). 

 m, n. Ceratiomyxa fruticulosa MacBride. m, sporophore (X40); n, 



part of mature sporophore, showing two spores (X480). (All 



after Lister.) 



