X CONTENTS 



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CHAPTER IV 



Ancylistales 117 



Key to Genera 118 



Doubtful or Excluded Genera 126 



Bibliography: Ancylistales 128 



CHAPTER V 



Blastocladiales 130 



Key to Genera 133 



Bibliography: Blastocladiales 136 



CHAPTER VI 



MONOBLEPHARIDALES 138 



Key to Species of Monoblepharis 142 



Bibliography: Monoblepharidales 145 



CHAPTER VII 



Saprolegniales 146 



Key to Families 147 



Saprolegniaceae 148 



Key to Genera 156 



Doubtful Genus 171 



Leptomitaceae 171 



Key to Genera 172 



Bibliography: Saprolegniales 181 



CHAPTER VIII 



Peronosporales 185 



Key to Families 186 



Albuginaceae 186 



Pythiaceae 193 



Key to Genera 194 



Peronosporaceae 210 



Key to Genera 211 



Bibliography: Peronosporales 223 



CHAPTER IX 



MUCORALES 234 



Key to Famihes 241 



Mucoraceae 242 



Pilobolaceae 251 



Thamnidiaceae 253 



Chactocladiaceae 257 



Choanephoraceac 258 



Mortierellaceae • 264 



