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CONTEXTS 



INTRODUCTION 



Chapter I. The Scope axd Value of Botaxical Study . 

 Chapiee II. The Distixctite Charact£ei5tic5 of Plaxis 



PAGE 



1 



PART I 



THE STRUCTURES AXD FrXCTIOXS OF PLANTS 



The iloRPHOLOGT AXD Phtsiologt of Leaves . 15 



distmctire characteristics of leaves . . . . 15 



structure of leaves ....... 17 



synthesis of food by light in leaves .... 19 



cellular anatomy of leaves ...... 28 



characteristics of protoplasm ..... .35 



"water-loss, or transpiration, from plants ... 43 

 adjustments of green tissues to ligLt . . . .52 



various forms of foliage leaves ..... 58 



forms and functions of leaves other than foliage . 72 



nutrition of plants which lacl: chlorophyll . . 82 



autumnal and other coloration of leaves ... 88 



economics, and treatment in cultivation, of leaves . 94 



u-ses of the photcsynthetic food ..... 97 



The Morphology and Physiology of Stehis . 11-3 

 distinctive characteristics of stems . . .113 

 structure of stems and support of the foUage . .115 



cellular anatomy of stems ...... 128 



development of .stems and leaves from buds . 135 



arrangements of leaves on stems .... 139 



transfer of water and food through plants . 144 



growth of stems and other plant parts . . . 153 

 ix 



