56 



PHYCOMYCETEAE 



i 



I 



Fig. 14. Chytridiales, Family Rhizidiaceae. Phlyctochytrium hallii Couch. (A) 

 Plant nearly mature. (B) Zoospores differentiated. (C) Discharge of zoospores. (D, E) 

 Resting sporangia. (After Couch: J. Elisha Mitchell Sci. Soc, 47(2):245-260.) 



Fig. 15. Chytridiales, Family Kliizidiaceae. Rhizophydium coronum Hanson. (A) 

 Zoospore. (B) Zoosporangium with swollen exit papilla. (C) Mature resting spore 

 (stained). (D) Germinating resting spore. (Courtesy, Hanson: Am. J. Botany, 

 32(8):480-483.) 



