TABLE OF CONTENTS. 



XI 



CHAPTER VI. 



Laticiferous Tubes. 



CHAPTER VII. 



Appendix. Intercellular Spaces. 



Sect. 49. General Observations. Development 

 „ 50. Intercellular Secretory Reservoirs 

 „ 51. Intercellular Reservoirs containing Air or Water 

 „ 52. Diaphragms .*..... 



„ 53. Internal Hairs ....... 



200 

 201 

 210 

 217 

 220 



PART II. 



ARRANGEMENT OF THE FORMS OF TISSUE. 



FIRST SECTION. PRIMARY ARRANGEMENT. 

 Sect. 54. General Observations. Epidermis, Hypoderma .... 



224 



CHAPTER VIII. 



Arrangement of the Tracheae and Sieve-tubes. 



I. Outside the Vascular Bundles. 



Sect. 55. Scattered Tracheides ....... 



„ 56. Sheath of Tracheides in Aerial Roots .... 



„ 57. Scattered Sieve-tubes 



2. Vascular Bundles. 

 „ 58. General Observations ........ 



A. Arrangement of the Vascular Bundles. 



a. In the Root. 

 » 59 



226 

 227 

 231 



2^2 



232 



