CONTENTS vil 
CHAPTER XXII PAGES 
THE CLASSIFICATION OF PLANTS 5 ‘ i ‘ ‘ . 207-210 
CHAPTER XXIII 
CHARACTERISTICS OF SPORE-PLANTS . : P r ; . 211-214 
CHAPTER XXIV 
Tue Aca ‘ A ‘ . ‘ - z 5 ‘ . 215-238 
CHAPTER XXV 
Tue Foner F 4 2 . : : 2 . 5 . 239-264 
CHAPTER XXVI 
Tue BrRYOPHYTES . F . : F ‘ : : - 265-279 
CHAPTER XXVII 
Tue PreRIDOPHYTES ‘ 2 . ‘ : i : - 280-294 
CHAPTER XXVIII 
Summary or THE History anp CHARACTERISTICS OF THE PLANT 
Kincpom . - a 7 : ‘i 7 . ; - 295-308 
CHAPTER XXIX 
PLantT-BREEDING : ' r 4 é . . . 809-323 
CHAPTER XXX 
Some UsEFut PLants ‘ , < 5 ‘i : ‘4 . 9824-342 
CHAPTER XXXI 
TimsBer ; Forestry . : - ¢ A ‘ , : . 848-353 
APPENDIX . : , A : 5 , : F . 855-365 
INDEX . : : ‘ : . ; : e é . 367-380 
