THE SIMPLE HOLOCARPIC BIFLAGELLATE PHYCOMYCETES 



CHAPTER V 



Sirolpidiaceae 63 



Sirolpidium 63 



Pontisma 63 



Petersenia 66 



CHAPTER VI 



Lagenidiaceae 70 



Lagenidium 71 



Lagenidiopsis 71 



Mvzocytium 83 



Lagena 90 



Doubtful genera 92 



Resticularia 92 



Excluded genera 94 



Achlyogeton 9-i 



Protascus 96 



Mitochytridium 98 



Rhizomyxa 98 



CHAPTER VII 



Phvlogeny and relationships 100 



Woroninaceae 100 



Woronina 100 



Pyrrhosorus 101 



Rozellopsis 101 



Ectrogellaceae 102 



Sirolpidiaceae 10-i 



Olpidiopsidaceae 10-1 



Lagenidiaceae 105 



CHAPTER VIII 



Hosts and Bibliography 108 



Plant hosts 108 



Fungi 108 



Olpidiaceae 108 



Saprolegniaceae 108 



Pvthiaceae Ill 



Mucoraceae Ill 



