BOTANY 



PAGE 



Nutrition ... . . 171 



The constituents of the plant body . 1 ' 1 



The essential constituents of plant food . 172 



The process of absorption . . 176 



"Water and mineral substances . 178 



The absorption of carbon (assimilation) 195 



The utilisation of the products of assimilation . . 201 



Transfer of the products of assimilation . 202 



The storage of reserve material . . . 204 



Special processes of nutrition 206 



Respiration . . . 216 



Intramolecular respiration ... 219 



Heat produced by respiration . 220 



The movement of gases within the plant 221 



Phosphorescence . . . 223 



Growth . . . . 223 



The embryonal development of the organs . . 224 



The phase of elongation . . . 229 



The internal development of the organs . . . 237 

 Periodicity in development, duration of life, and continuity of the embryonic 



substance . ... 237 



The Phenomena of Movement . . 241 



Movements of naked protoplasm . . 242 



The movements of protoplasm within walled cells 244 



Movements producing curvature . . 247 



Hygroscopic curvatures . . ... 247 



Growth curvatures ... . 248 



Movements due to changes of turgor 269 



Reproduction ... . 274 



Vegetative reproduction . . 277 



Sexual reproduction . . 280 



Alternation of generations . . . 289 



The dissemination and germination of seeds . 291 



PAET II. SPECIAL BOTANY 

 SECTION I. CRYPTOGAMS 



Thallophyta . 301 



Myxomycetes . 302 



Schizophyta . „ i- 

 Diatomeae 

 Peridineae 

 Conjugatae 



Chlorophyceae . „,,, 



Phaeophyceae . ooo 



Rhodophyceae o«. 



312 

 315 

 315 



Characeae 



337 



