XIV CONTENTS 



PAGES 



PARENCHYMA. Definition; ordinary parenchyma; assimilation 

 parenchyma; conducting parenchyma; reserve parenchyma; 

 their structure, distribution and function 101-103 



COLLENCHYM A. Definition, function and distribution 103 



SCLERENCHYM A Definition; stone cells; sclerenchyma fibers; 



wood fibers; bast fibers; their distribution 103-106 



EPIDERMIS. Definition; transpiration and water stomata; epider- 

 mal papillae; trichomes; scales; their distribution and functions. 106-109 



ENDODERMIS. Definition, distribution and functions 109-110 



CORK. Definition; its derivation, function and distribution .... no 



LATICIFEROUS TISSUE. The structure, origin, distribution of 



latex cells, laticiferous vessels and secretory cells. Latex . . 110-112 



SIEVE (LEPTOME OR CRIBIFORM) TISSUE. Definition; distri- 

 bution; function 112 



TRACHEARY TISSUE. Tracheae: Definition, function and classifi-* 



cation; Tracheids: Definition and function 112-116 



MEDULLARY RAYS. Primary and Secondary; their distribution 



and functions * 116-117 



FIBRO-VASCULAR BUNDLES. Definition of the various types; 



the distribution of each type; Xylem and Phloem 117-119. 



SECRETION SACS. Definition and distribution . - 119 



INTERCELLULAR AIR SPACES. Definition; schizogenous and 



lysigenous air spaces; their relative site 119- 



SECRETION RESERVOIRS. Definition; structure; internal glands; 



secretion canals 119-120- 



CLASSIFICATION OF TISSUES ACCORDING TO FUNCTION . 120 



CHAPTER VII 

 PLANT ORGANS AND ORGANISMS 



PLANT ORGANS AND ORGANISMS. Organ and organism defined. 

 Vegetative Organs: Roots, stems and leaves. Reproductive 

 Organs: Flower, fruit and seed. Embryo and its parts; func- 

 tion of the cotyledon 



