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AQUATIC PHYCOMYCETES 





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Fig. 61. Development of Eurychasma dicksonii (Wright) Magnus in Striaria 



A. Zoospore infecting vegetative cell of Striaria; hypertrophy of host cell 

 is evident. B. Empty cyst and infection tube of zoospore on hypertrophied 

 host cell; thallus of fungus appears as irregular, somewhat refractive mass. 

 C-E. Infected host cells showing spherical shape assumed by thallus of 

 fungus; latter contains a number of highly refractive granules. F. Infected 

 cell showing peripheral disposition of disintegrating chloroplasts. G-l. 



