x ii TABLE OF CONTENTS. 



CHAPTER XXI. 



PAGE 



FERTILIZATION AND DEVELOPMENT OF THE SEED 199 



CHAPTER XXII. 



THE FRUIT 



I. Parts of the fruit 2 4 



II. Indehiscent fruits 



III. Dehiscent fruits 



IV. Fleshy and juicy fruits 2O 9 



V. Fruits of gymnosperms 2I 4 



VI. The "fruit" of ferns, mosses, etc 2I 5 



CHAPTER XXIII. 

 SEED DISPERSAL 2l6 



PART II GENERAL MORPHOLOGY AND CLASSI- 

 FICATION OF PLANTS. 



CHAPTER XXIV. 

 OUTLINE OF CLASSIFICATION 22 4 



CHAPTER XXV. 



Green algae 2 3 2 



Conjugating green algae 2 3 2 



Single-celled green algae 2 4 



Filamentous green algae 2 4 2 



Siphon green algae . . 



Stoneworts, or bass weeds . 2 4 8 



Review of the green alga; . . . 



CHAPTER XXVI. 



ALGJE (concluded) 2 53 



The blue-green algae 2 53 



The diatoms 



The brown algse 



The red algae 



