CONTENTS ~ 1X 
p 
CHAPTER XX 
PAGES 
Types or CrypToGAMs; THALLOPHYTES . , ‘ : . 235-276 
| CHAPTER XXI 
| Types oF CryPToGAMS; BRYOPHYTES 5 ; ‘ ‘ . 277-285 
CHAPTER XXII 
TyYPes OF CRYPTOGAMS; PTERIDOPHYTES . * . : : . 286-297 
CHAPTER XXIII 
Tue Evo.iutTionary History oF PLANTS . : : ‘ . 298-805 
Part II 
ECOLOGY, OR RELATIONS OF PLANTS TO THE WORLD 
e ABOUT THEM 
CHAPTER XXIV 
PuLant SOcIETIES ; , ; : : ; 3 , - oi—o2e 
CHAPTER XXV 
BotranicaAL GEOGRAPHY : ; . : : : ; . 324-335 
CHAPTER XXVI 
PARASITES, ENSLAVED PLANTS, MEssMATES, CARNIVOROUS PLANTS 336-344 
CHAPTER XXVII 
How Priants Protect THEMSELVES FROM ANIMALS Z . 245-352 
