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 



