ACRASIEAE 163 



MYXOCHYTRiDiiNAE=01pidiaceae+Synchytriaceae. 

 MYCOCHYTRIDIINAE =Rhizidiaceae + Cladochytriaceae. 

 Olpidi&cQ&GOlpidium+Olpidiopsis+Pseudolpidium + Pleol- 



pidium, &c. 



Synchytriaceae = Synchytrium. 

 Synchytrium=(PycnochytTidi)=S. anemones -{-8. aureum,&,c. + 



(Eusynchytria) =S. taraxaci +8. succisae +8. endobioti- 



cum+S. stellariae, &c. 



Botanical. 



MYCETOZOA ** PLASMODIOPHORACEAE + ACRA- 

 SIEAE + M YXOM YCETES (M YCETOZOA of de Bary). 



Zoological. 



TtiiIZOPOT>A.--=PEOTEOMYXA + MYCETOZOARIA + 

 AMOEBINA + FORAMINIFERA + HELIOZOA + 

 RADIOLARIA. 



MYCETOZOARIA = PSEUDOPLASMODIDA (ACRASI- 

 EAE) + FILOPLASMODIDA (LABYRINTHULEA) + 

 EUPLASMODIDA (MYXOMYCETES or MYCETO- 

 ZOA of de Bary). 



The position of the Plassomyxineae must be next to the 

 Synchytriaceae, and near the Plasmodiophoraceae. 



