TABLE OF CONTENTS, 



Introduction 



PAGE 



I 



PART I. 



THE FORMS OF TISSUE 



CHAPTER I. 



Cellular Tissue. 

 Sect. I. General Introductory Remarks 27 



11 



?5 



Division I. The Epidermis. 



2. General Definitions 



I., Composition of the Epidermis 



3. Enumeration of the Component Parts 



4. Epidermal Cells . 



5. Stomata 



6. Air- and Water-stomata 



7. Air-stomata . 



8. Water-stomata 



9. Gaps in the Epidermis . 

 10. Hair-structures 



2. Structure of the Epidermal Elements 



a. Protoplasm and Cell-contents. 



11. Epidermal Cells 



12. Stomata ........... 



13. Hair-structures ......... 



b. Structure 0/ the Walls. 



14. Cellulose-iMembranes ........ 



15. Intramural and Superficial Deposits ..... 



16. Mucilage, Cuticle, and Cuticular Layers .... 



17. Wax 



29 



30 

 30 

 34 

 45 

 45 

 50 



54 

 54 



66 



67 

 68 



70 



73 

 73 



82 



