CONTENTS. 



PAOK 



Order 2. Ustilagineffi . . . ;./. .308 



Stib-Class VI. Basidiomycetes * .310 



Series I. Protobasidioinycetes . 315 



,, II. Autobasidiomycetes 315 



Order 1. Hymenomycetes 315 



,, 2. Gasteromycetes ....... 317 



Subsidiary Group. Lichenes 319 



GROUP II. BBYOPHYTA (MUSCINE^) 324 



Class III. Hepaticae (Liverworts) 333 



Order 1. Marchantiaceae 336 



2. Jungermanniaceae . . . . . . 343 



,, 3. Anthocerotaceae 352 



Class IV. Musci (Mosses) 354 



Order 1. Sphagnaceae 363 



2. Andreaeaceae r . 365 



,, : 3. Archidiaceae 366 



4. BryineaB 367 



GBOUP III. PTEBIDOPHYTA (VASCULAB CBYPTOGAMS) . . 372 



^ Class V. Filicinae 381 



Sub-Class. Eusporangiatae 381 



Homosporeae. 



Order 1. Opbioglossaceae 381 



2. Marattiaceaa . . . . . . .383 



Heterosporeae. 



3. Isoetaceae . ., 384 



Sub-Class. Leptosporangiatae 388 



Homosporeae (Filices) 388 



Order 1. Hymenophyllaceae 404 



___ 2. Polypodiaceae 404 



3. Cyatheaceae 405 



4. Gleicheniacete 405 



5. Schizaeaceae . . 406 



,, 6. Osmundaceae 406 



Heterosporeae (Hydropterideae) .... 406 



,, 7. Salviniaceae 415 



8. Marsileaceac 415 



Class VI. Equisetinae . . . . . . . . .416 



Order 1. Equisetaceae . . '. . : . . . 416 

 Class VII. Lycopod'mae . . . * . . - . . .421 



Sub- Class. Homosporeae . . -. 421 



Order 1. Lycopodiacea; . 421 



2. Psilotaceae . '. .' 425 



Sub-Class. Heterosporeae 426 



.: ^ Order 3. Selaginellaceao . ... . . .426 



