ACRASIEAE 



157 





11 



13. 



. 45. 1 to 5, ACRASIEAE ; 6 to 13, THE EXOSPOROUS MYCETOZOON, CERATIOMYXA 

 FRUTICULOSA. 1, Sappinia pedata (Dang) cysts ; 2, the same, single element 

 encapsuled ; 3, Copromyxa protea (Fayod) sorus ; 4, the same, amoebula escaping 

 from spore-case ; 5, Polysphondylium Brefeldi, a, 6, c, d, stages in the formation of 

 sorus, which is branched, from massed amoebulae from Doflein after Olive and 

 Brefeld ; 6, 7, and 8, stages in the formation of sporophores in Ceratiomyxa ; 9, the 

 same X 40 ; 10, the same x 480 ; 11, the same, cells on surface, some being modi- 

 fied into spores, x 120 ; 12, a, b. c, d, e, stages in hatching, and subdivision of spore 

 and formation of zoospores, x 1200 ; 13, young sporophore showing plasmodial net 

 in process of forming the cellular surface of the sporophore the hyaloplasm is 

 drawn thicker than in the original, x 68. 6 to 8, After de Bary ; 9, 10, and 12, after 

 A. Lister ; 11 and 13, from de Bary after Famintzin and Woronin. 



