X TABLE OF CONTENTS. 



PAGE 



3. Pyrenomycetes 108 



4. Discomycetes no 



5. Tuberaceae 112 



6. Reduced Ascomycetes 113 



1. Exoascus ... 113 



2. Yeast-fungi 113 



7. Lichens 114 



5. Uredineae 128 



6. Basidiomycetes 131 



Second Group. Muscineae 140 



I. Hepaticae . . . 144 



1. Series of Jungermannieae 153 



a Jungermannieae . 153 



b Anthoceroteae . . " \ v 156 



2. Series of Marchantiaceae . . . 158 



a Riccieae . . +- . 158 



b Marchantieae . 159 



II. Musci . . . ... 163 



1. Sphagnaceae " 181 



2. Andreaeaceae 184 



3. Phascaceae 184 



4. Bryineae . . . .185 



Third Group. Vascular Cryptogams 189 



I. Filicineae . . 196 



A. Leptosporangiate Filicineae 197 



1. Homosporous Filicineae 197 



1. Hymenophylleae 227 



2. Cyatheaceae 227 



3. Polypodiaceae , v 227 



4. Gleicheniaceae . 228 



5. Osmundaceae 228 



2. Heterosporous Filicineae . 228 



1. Salviniaceae . . ... ... 244 



2. Marsiliaceae 244 



B. Eusporangiate Filicineae 245 



1. Ophioglosseae 245 



2. Marattiaceae 251 



II. Equisetineae 256 



A. Homosporous Equisetineae 256 



B. Heterosporous Equisetineae . . 272 



1. Annularieae 272 



2. Asterophyllites 273 



III. Sphenophylleae 273 



IV. Lycopodineae 274 



A. Lycopodiaceae 274 



1. Homosporous Lycopodiaceae 274 



2. Heterosporous Lycopodiaceae 281 



B. Psilotaceae 282 



C. Ligulatae 283 



