CONTENTS. 



CHAP 



PAGE. 



Ill FERNS ON THE LAWN ..... 171 



IV T . FERN WINDOWS . . . . . -177 



V. FERNS AND AQUARIA. ..... jg^ 



VI. MINIATURE FERN CAVERNS . . . 



195 



?art HI. 



THE HYGIENIC INFLUENCE OF PLANTS IN 

 BOOMS. 



I. INTRODUCTION ....... 201 



II. THE INFLUENCE or PLANTS IN BOOMS . . 203 



Part ID. 



FEBNS AND FEEN CULTURE. 



I. INTRODUCTION. ...... 213 



II. WHAT is A FERN ? ...... 215 



III. ABOUT SOIL FOR FERNS ..... 223 



IV. SINGLE BRITISH FERNS ..... 229 

 V. FERN GROUPS . -- . . . . 281 



VI. THE POLYPODIES ...... 285 



VII. THE SHIELD FERNS ..... 397 



VIII. THE BLADDER FERNS ..... 319 



IX. THE WOODSIAS ...... 331 



X. THE BUCKLER FERNS ..... 339 



XI. THE SPLEEN WORTS ...... 365 



XII. THE FILMY FERNS ..... . 399 



I/ENVOI ......... 405 



INDEX 413 



24 



