3 8o 



MYCOSPH^RELLACEA 



budding, so that a multicellular colony is soon formed. The 

 daughter cells also detach themselves from the mass, and develop 

 in the same way to a daughter colony. Still more commonly the 

 cell-reproduction proceeds chiefly in a single direction, and then 

 furnishes filamentous chains of cells, as shown at 5 in Fig. 188. 



FIG. 188. Bphaemlina intermixta, Brefeld. 



1. An ascus with its eight ripe spores. 



2. Three ascospores swelling up and germinating. 



3. Budding cells separated from the above, in course of reproduction. 



4. Colonies from same. 



5. Filamentous chain of cells, Dematium form. 



6. Gemma?. 



Magn. 350. (After Brefeld.) 



These chains bear a close resemblance to the Ilyphomyces described, 

 under the name Dematium pullulans, by A. DE BARY (III.), and 

 occurring in nature in many kinds of black mildew, on sweet 

 fruits, and on moribund parts of plants. BREFELD (X.) then 

 recognised this Ilyphomyces as identical with the above conidial 

 fructification, and consequently allocated Dematium pulhdans to 

 the morphological cycle of Sphcerulina intermixta. Nevertheless, 

 according to ALB. KLOCKER and H. SCHIONNING (VII.), an unmis- 

 takable difference exists between them. The only way in which 



