LIST OF ILLUSTRATIONS 



PLATE 



I. WALL RUE FORKED SPLEENWORT ALTERNATE- 

 LEAVED SPLEENWORT* .... Frontispiece 



FACING PAGE 



2 FOSSIL FERN FROND MAIDENHAIR SPLEENWORT . I 



3. GROUP OF MALE FERNS 8 



4. ROYAL FERN * ... . . . I J 



5. BEECH, OAK, AND COMMON POLYPODY FERNS* . 24 



6. MALE FERN IN EARLY STAGE OF GROWTH . . 2J 



7. FRONDS OF BRACKEN UNFOLDING . . . . 30 



8. LADY FERN* . . 33 



9. ADDER'S TONGUE AND MOONWORT FERNS* . . 40 



10. FIR CLUBMOSS COMMON CLUBMOSS . . . -51 



1 1 . FERTILE STEMS OF FIELD HORSETAIL SMOOTH NAKED 



HORSETAIL . 54 



12. COMMON BRACKEN* ...... 57 



13. HARD FERN* . 64 



14. BARREN STEMS OF FIELD HORSETAIL . . -73 



15. BARREN AND FERTILE STEMS OF WOOD HORSETAIL . 80 



1 6. HART'S TONGUE FERN*. .... On the cover 



ALSO 4 LINE DRAWINGS IN THE TEXT. 



* These illustrations are in colour; the remainder are in black and 

 white from photographs. 



