CONTENTS 



CHAPTER PAGE 



INTRODUCTORY EDITORIAL NOTE V 



I. PAST HISTORY , I 



II. FERNS : HABITATS, LIFE-STORY, AND MORPHOLOGY . 7 

 III. FERNS OF THE WAYSIDE AND SEASIDE ROCKS AND 



WALLS . . ...... .20 



IV. FERNS OF THE BOGS AND MARSHES ." . . 33 



V. FERNS OF THE WOODS ...... 40 



VI. FERNS OF THE MOORS AND MOUNTAINS . . -52 



VII. CLUBMOSSES AND THEIR RELATIVES. . r . . 64 



VIII. HORSETAILS . . . ... . '74 



INDEX ... 86 



