24 A Monograph of the Myxogastres. 



Zopf s Mycetozoa include many forms that do not corne within 

 De Bary's conception of the Mycetozoa as already defined. The 

 following illustrates the primary divisions as adopted in his 

 latest work. 1 



A. MONADINEAE. 



Mostly aquatic, partly parasites ; resting cysts are usually 

 formed. 



I. Monadineac azoosporcae. 

 Vampyrelleae ; Bursellineae ; Monocystaccae. 



II. Monadincae zoosporeae. 

 Pseudosporeae ; Gymnococcaceae ; Plasmodiophoreae. 



B. EUMYCETOZOA. 



Aerial. Never parasites ; plasmodia always present, generally 

 well developed ; fructification generally well developed. 



I. SOROPHOREAE. 



Guttulincae ; Didyosteliaceae. 



II. ENDOSPOREAE. 



a. Peritricheae. 



Clathroptychidccac ; Cribrariaccae. 



/3. Endotricheae. 

 * Stcreonemcae. 

 Calcariaceae ; AmaurocJiaetaceae. 



* * Caloncmeae. 



Trichiaccae ; Arcyriaceae ; Rcticidariaccac ; Liccaceae ; Pcri- 

 chaenaccae. 



III. EXOSPOREAE. 



In Raunkier's Myxomycdes Daniae 2 the following classification 

 is proposed 



1 Die Pilzthiere oder Sclileinipike (Schenk's Haiulbiich der BotanUt, 

 ill Encyld. der Natunvissciusc}Mftcn\ 1884. 



2 Botanisk Tiddskript, 17 Bind. (1888). 



