MANUAL OF BOTANY 



CHAPTEE XI. 

 The Respiration of Plants 



The absorption of oxygen by the plant 



The nature of respiration 



Relation of respiration to catabolism 



PAGE 



465 



465 

 466 

 469 



CHAPTER XII. 

 Growth . 



Nature of growth 

 Distribution of growth . 

 Growth of a cell 

 Grand period of groAvth 

 Growth of a multicellular organ 

 Variations of turgidity during growth 

 Hyponasty and epinasty . 

 Nutation and circumnutation 

 Tensions set up by growth 



470 



471 

 472 

 472 

 474 

 474 

 475 

 475 

 476 

 477 



CHAPTER XIII. 

 Influence of the Environment on Plants 



Peculiarities of aquatic phanerogams 



,, xerophilous j)lants .... 



,, Alpine plants ..... 



„ epiphytes ...... 



„ parasites ...... 



„ insectivorous plants .... 



478 



478 

 480 

 480 

 481 

 482 

 483 



CHAPTER XIV. 



The Relation of the Plant to its Environment — 



Irritability ..... 484 



Conditions under which irritability is manifested . » . . 484 



Phototonus .......... 484 



Relation of plants to light 485 



Paraheliotropism 486 



Epistrophe and apostrophe 487 



Nyctitropic movements ........ 489 



Relation of plants to temperature 490 



