viii CONTENTS. 
CHAPTER X. 
PLANTS AND PLANETS . e ° . e e e « 153 
CHAPTER XI. 
ABOUT HORSETAILS, STONEWORTS, AND PEPPERWORTS . > (By 
CHAPTER XII. 
THE FALLING LEAF. e ° ° oe @ e ® e 174 
CHAPTER XIIL.- 
ABOUT FUNGI . ; 3 : 2 : F x : - 180 
CHAPTER XIV. 
ALG e ° ® e ° ° ° 6 . . se 199 
APPENDIX e e ° ° ° ° ® z . a 
INDEX . ° . ° ° ° ° ° ° . » 213 
