CONTENTS xi 



PAGE 



PYRENOMYCETES . 139 



>HYPOCREALES . . - 143 



Nectriaceae . . . . . . . . 143 



Hypocreaceae . .... . . . .146 



^DOTHIDEALES . . . . *. . . . .152 



^SPHAERIALES . ... . . . . . 153 



Chaetomiaceae . ' . . . . . . . 155 



Sordariaceae . . . . . . . .156 



Sphaeriaceae . . . . . . . .158 



Ceratostomataceae . . . . . . 159 



Amphisphaeriaceae . . . . . -159 



Lophiostomataceae ....... 160 



Mycosphaerellaceae ....... 160 



Pleosporaceae . . . . . . . . 161 



Gnomoniaceae . . . . . . . .163 



Valsaceae ......... 164 



Diatrypaceae ........ 165 



Xylariaceae . . . . . . . . .165 



*LABOULBENIALES 171 



BASIDIOMYCETES ....-...'. 183 



GENERAL 183 



HEMIBASIDIOMYCETES 184 



USTILAGINALES 184 



Ustilaginaceae . . . . . f . . .188 

 Tilletiaceae . . . . . . . 193 



PROTOBASIDIOMYCETES 196 



UREDINALES 196 



Spores and Sori ........ 196 



Teleutospore . . . . . . .197 



Basidiospore . . . . . . . .197 



Spermogonium ....... 198 



Aecidium 200 



Uredosorus . . . . . . . . 204 



Teleutosorus ....... 205 



Omission of Spore Forms ...... 207 



Heteroecism . . . . . . . .210 



Specialization of Parasitism . . . . .211 



Nuclear Division . . . . . . .211 



Nuclear Association . . . . . .213 



Phylogeny . . . . . . .210 



Pucciniaceae . . . . . . .219 



Cronartiaceae . . . . . . .219 



Melampsoraceae . . . . ... . 219 



Coleosporiaceae . . . . . . . . 220 



GENERAL BIBLIOGRAPHY (Books dealing with several Groups) 1 222 



INDEX . . .... . . . . . . . . 223 



1 Books and papers dealing with individual fungi or groups of fungi are cited in the Bibliography 

 at the end of the relevant section or in foot-notes in the text. 



