CONTENTS. 



PART I. 



INTRODUCTION. 



HISTOLOGICAL APPLIANCES. p^^^ 



Microscopes .... 1 



Dissecting Instruments 2 



Media and Reagents 4 



Staining Agents ... 15 



Mounting-media . . ... 20 



CHAPTER I. 



THE VEGETABLE CELL IN GENERAL: ITS STETJCTURE, 

 COMPOSITION, AND PRINCIPAL CONTENTS. 



Protoplasm 26 



The Cell-waU 29 



Cellulose 31 



Modifications of the Cell-wall 34 



Plastids 40 



Protein Granules 44 



Starch 47 



Inulin 50 



Cell-sap 61 



Crystals 52 



CHAPTER II. 



CELLS IN THEIR MODIFICATIONS AND KINDS, AND THE 

 TISSUES THEY COMPOSE. 



Typical and Transformed Cells . 56 



Parenchyma 60 



Parenchyma proper 60 



Epidermis 64 



Epidermal Cells 65 



Trichomes 68 



Stomata 70 



Cork 74 



