SYNOPSIS OF MYCETOZOA 177 



f 



a 



grey (ferruginous in Stemonitis ferruginea and S. flavogenita 

 colourless in E china steliion). 



Subcohort I. — Calcarine^. Sporangia provided with lime 

 (calcium carbonate). 



Order L — Physarage^. Lime in the form of minute round 

 granules. 



A. Capillitium charged with lime throughout . 2. Badhamia. 



B. Capillitium of hyaline threads with vesicular expansions filled 

 with lime (= " lime-knots"). 



Sporangia subglobose or in the form of plasmodiocaips ; capil- 

 litium without free hooked branches . . 3. Physarum. 



Sporangia stalked, shortly cylindrical, tubular . 4. Physarella. 



Sporangia stalked, saucer-shaped ... 5. Trichamphora. 



Sporangia long, cylindrical, branching ; capillitium a close elastic 

 network, with minute lime-knots .... 6. Erionema, 



Plasmodiocarps cylindrical, forming a net ; capillitium with free 



hooked branches ; lime-knots taking the form of vertical 

 plates 7. Cienkowskia. 



Sporangia forming an sethalium 8. Puligo. 



Sporangia of the shape of a covered goblet, ovoid or globose ; 

 stalks cartilaginous 9. Craterium. 



Sporangia ovoid, shining, clustered ; stalks membranous 



10. Leocarpus. 



C. Capillitium without lime. 



Sporangium-wall opaque 11. Chondrioderma. 



Sporangium-wall hyaline 12. Diachsea. 





Order II. — Didymiace/E. Lime in crystals deposited out- 

 side the sporangium-wall. 



Crystals stellate ; sporaugia distinct; sporangium-wall membra- 

 nous (except in D. leoninum) .... 13. Didymium. 



Crystals stellate ; sporangia forming an zethalium 



14. Spumaria. 



Crystals in the form of lenticular or stellate scales ; sporangium- 

 wall cartilaginous ...... 15. Lepidoderma. 



Subcohort II. — AMAUROcHiETiNE-E. Sporangia without lime. 



Order I. — Stemonitaceje. Sporangia distinct, provided with 

 a stalk and columella. 



A. Sporangium- wall evanescent. 



Sporangia cylindrical ; capillitium spreading from the columella 

 and forming an even superficial net. . 16. Stemonitis. 



Sporangia globose or cylindrical ; capillitium spreading from the 

 columella ; superficial net wanting or imperfect 



17. Comatricha. 



Sporangia globose ; capillitium springing only from the apex of 



the sporangium .;..... 18. Enerthenema. 



