CONTENTS. 



CHAPTER X. 



PAGE 



PLANTS AND PLANETS 153 



CHAPTER XI. 



ABOUT HORSETAILS, STONEWORTS, AND PEPPERWORTS . .163 



CHAPTER XII. 



THE FALLING LEAF 174 



CHAPTER XIII. 



ABOUT FUNGI l8o 



CHAPTER XIV. 

 ALG.<$: ........... 199 



APPENDIX . . . . . . . . . .211 



INDEX 213 



