CONTENTS. 



INTRODUCTION 

 PRELIMINARY STUDIES 



PAGE 



7 

 14 



I. THE SLIME FUNGI (Myxomycetes) 50 



II. THE DIATOMS (Diatomacece) 54 



III. THE FISSION PLANTS (Schizophytes) .... 59 



Class I. The Blue-Green Slimes (Cyanophycece) . 59 



Class II. The Bacteria (Schizomycetes} ... 63 



IV. THE ALG^E 70 



Class I. The Green Algae (Chlorophycece) . . 71 



Class II. The Brown Algae (Phceophycece) . . 110 



Class III. The Red Algae (Rhodophycece or Floridece} 118 



V. 



VI. 



THE FUNGI 120 



Class I. The Chytridiece 121 



Class II. The Smut Fungi (Ust'daginecc) . . . 122 

 Class III. The Molds and Mildews (Phycomycetes) . 125 

 Class IV. The Sac Fungi (Ascomycetes) . . .136 

 Class V. The Rusts (JEcidiomycetes) . . .157 



Class VI. The Toadstools and their Allies (Basidio- 



mycetes) 



THE BRYOPHYTES 



Class I. The Liverworts (Hepatica*) 

 Class II. The Mosses (Musci) . 



. 160 



. 167 



. 167 



176 



