CONTENTS. 



CHAPTER PACE 



I. Introductory i 



II. Structure of the Seed ....... 3 



III. Cell Structure . . 6 



IV. Cell Growth, Shape, and Formation ... iS 

 V. Germination, Root Growth, Structure, and 



Functions 25 



VI. Stem Structure and Functions 40 



VII. Buds and Ramification .... -59 



VIII. Leaf Structure and Functions 69 



IX. Bracts and Inflorescence 92 



X. Flower Structure and Functions . . . . 100 



XI. Fruit and Seed 135 



XII. Movement of Water in the Plant Tissues . . i45 



XIII. Influence of Heat and Light upon Growth . . 148 



XIV. Irritability of Plants 151 



XV. Classification 153 



Questions ... '93 



Index 199 



