CONTENTS. XI 



PAGE 



Series II. Volvocoideae 249 



Order 1. Chlamydomonadaceae 249 



2. Volvocaceaa. . . . . . . - 249 



Series III. Siphonoideae 250 



Order 1. Siphonaceae 250 



2. Cladophoraceae 252 



3. Hydrodictyaceae . . . . . .253 



Series IV. Confervoideae . . . . " . . . . 253 



Order 1. Conjugates 254 



2. Ulothrichaceae 256 



3. Ulvace83 257 



4. (Edogoniaceae 257 



5. Coleochaetaceae 258 



Series V. Charoidess 260 



Order 1. Characess 260 



Sub-Class III. Phaeophycese 263 



Order. Diatomaceae 265 



Series (a). Phaeosporeae 265 



Series (b). Phaeogamse 268 



Order. Fucaceae 268 



Sub-Class IV. Bhodophyceae 271 



Class II. Fungi 275 



Sub-Class I. Schizomycetes 280 



II. Myxomycetes 283 



III. Phycomycetes 285 



Section A. Zygomycetes 285 



Order. Mucorinae 285 



Section B. Oomycetes 287 



Order 1. Peronosporaceae 287 



2. Saprolegniaceaa 289 



Sub-Class IV. Ascomycetes . 290 



Order 1. Gymnoasceae . 294 



2. Pyrenomycetes 295 



3. Discomycetes 296 



Sub-Class V. JEcidiomycetes 298 



Order 1. Uredineae 299 



2. Ustilagineae 300 



Sub-Class VI. Basidiomycetes 301 



Series I. Protobasidiomycetes 305 



II. Autobasidiomycetes . . . . . . 305 



Subsidiary Group. Lichenes 305 



GEOUP II. BRYOPHYTA (MUSCINE^) 



Class III. Hepaticae (Liverworts) 318 



Order 1. March ant iaceae 320 



2. Jungermanniaceae 324 



3. Anthocerotaceae . . 330 



