CONTENTS. 



^ PAGE 



iNTEODrCnON 11 



Part I.— OEGANOGEAPHY. 



PABTS of a PLAifT 15 



The Koot 16 



The Stem 21 



The Bud 25 



The Leap 25 



The Flower 39 



Pollination and Fertilization 54 



The Fetjit 67 



Pakt II.— histology and PHYSIOLOGY. 



The Cell 72 



The Cell-contents 82 



Tissue 87 



Watek 100 



Food-elements 104 



Assimilation and Metastasis 103 



Respiration 109 



Temperature 109 



Light Ill 



Movements 112 



Part III.— SYSTEMATIC BOTANY. i 



Classification 117 



Divisions 121 



Protophyta 122 



Zygospores 126 



OoSPOBEiE 132 



(ix) 



