CONTENTS vii 



PAGE) 



Resins 64 



Silica 65 



Calcium Carbonate 65 



Fats 65 



CHAPTER V 

 STAINING 



General Considerations 66 



Saturation Stains 66 



Double Stains 67 



Acid Fast Stains 67 



Differential Stains 68 



Stains for Cell Walls 68 



Cellulose 68 



Lignified Tissues 68 



Cutinized and Suberized Tissues 68 



Gums 69 



Pectins. . 69 



CHAPTER VI 

 THE PLANT CELL 



General Considerations 70 



Cytology 71 



Protoplasm 71 



Protoplasmic Contents 71 



Non-protoplasmic Contents 72 



Parts of the Cell 72 



Structure of the Cell Wall 73 



Methods of Growth 73 



Origin of Cells and Tissues 74 



Mitosis 74 



Plant Tissues 77 



Fundamental Tissues 77 



Primary Root Tissues 77 



Secondary Root Tissues 80 



Primary Stem Tissues '. 83 



Secondary Stem Tissues 83 



