TABLE OF CONTENTS. 



PAGE 



Introduction ... ... . . i 



First Group. Thallophytes . . .... 3 



I. Myxomycetes .... 14 



II. Diatomaceae . . 17 



III. Schizophyta . . . . . . 20 



A. Cyanophyceae . ... . .21 



B. Schizomycetes . . . 24 



IV. Algae .... .... .... 26 



A. Chlorophyceae . ... 27 



1. Siphoneae . . . . .29 



2. Volvocineae . . ...... .34 



3. Protococcaceae . . .... 39 



4. Confervoideae . . .... 41 



a Ulothricaceae ... . . 42 



b Sphaeroplea . . . 43 



c Oedogonieae .... ... .44 



d Coleochaeteae .... . . . . 46 



Appendix, a Conjugatae 48 



b Characeae. . .52 



B. Phaeophyceae . . . . . . 65 



I. Phaeosporeae . 66 



1. Ectocarpeae . . .66 



2. Sphacelarieae ... . . . . 67 



3. Laminarieae . 68 



4. Cutleriaceae . . 69 



II. Fucaceae .... .... . 70 



C. Rhodophyceae or Florideae . 73 

 V. Fungi . ... . . . .80 



1. Chytrideae . . 85 



2. Ustilagineae .... 85 



3. Phycomycetes . . 88 



a Mucorineae .... . 90 



Appendix. Entomophthoreae . 91 



b Peronosporeae . . 92 



c Saprolegnieae . .96 



4. Ascomycetes . . . 100 



1. Gymnoascus .... . . .104 



2. Cleistocarpous Ascomycetes . . . 104 



