TABLE OF CONTENTS 



Page 

 Introduction 1 



Abbreviations 4 



Key to the Families and Aberrant Genera 5 



I. Pteridophyta 23 



1. Equisetaceae 23 



2. Lycopodiaceae 23 



3. Selaginellaceae 24 



4. Isoetaceae 25 



5. Marsileaceae 25 



6. Salviniaceae 26 



7. Ophioglossaceae 26 



8. Osmundaceae 27 



9. Schizaeaceae 28 



10. Gleicheniaceae 28 



1 1 . Hymenophy llaceae 29 



12. Ceratopteridaceae 31 



13. Plagiogyriaceae 31 



14. Onocleaceae 32 



15. Dennstaedtiaceae 32 



16. Davalliaceae 33 



17. Pteridaceae 34 



18. Gymnogrammaceae 37 



19. Vittariaceae 38 



20. Aspleniaceae 38 



21 . Monachosoraceae 45 



22. Blechinaceae 45 



23. Woodsiaceae 46 



24. Aspidiaceae 46 



25. Polypodiaceae 52 



II. Spermatophyta 59 



26. Cycadaceae 59 



27. Ginkgoaceae 59 



28. Taxoceae 59 



29. Podocarpaceae 61 



30. Cephalotaxaceae 61 



31 . Pinaceae 62 



32. Taxodiaceae 64 



33. Cupressaceae 67 



34. Saururaceae 69 



35. Chloranthaceae 70 



36. Salicaceae 70 



?I071 



