INDEX. 



Absorption, Chapter IV., 103-161 



Absorption bands, see Chlorophyll 



Aerenchyma, 144 



Aerobic respiration, see Respiration 



Age of cells, 123 



Air passages, 143; variation in size, 

 142, 143 



Air space, proportion, 155 



Alcohol, see Fermentation, Intramo- 

 lecular Respiration, and Respir- 

 ation 



Alpine plants, brilliancy of flowers, 

 * 274 



Aluminum, 95 



Amides, occurrence, 70; as waste 

 products, 70,71 ; as stages in pro- 

 teid synthesis, 71 



Anaerobic respiration, see Intramolec- 

 ular respiration 



Animals, differences from plants, 1 ; 

 resemblances, 261 



Annual rings, 123; causes of forma- 

 tion, 191-196 ; more than one ring 

 per annum, 195 



Antherozoids, chemotaxis, 235 



AKCEUTHOBITJM, 90 



Arctic plants, brilliancy of flowers, 

 274 



Ascent of water, 119; Sachs's hypo- 

 thesis, 119, 121; Godlewski's, 

 119, 121, 122; Strasburger's, 120, 

 122, 123; sap-pressure hypothe- 

 sis, 120, 127, 131, 133; gas press- 

 ure, 120; Jamin's chains, 120 



Ash constituents, 92+; minimum 

 amounts, 101, 102 



Associated organisms, 252. See also 

 root tubercle plants, 72-j- ; humus 

 plants, 78+ ; carnivorous plants, 

 81+; parasites, 85+; lichens, 91, 

 92 



Autumn wood, 123; causes of forma- 

 tion, 194 



Auxanometers, 177 



B 



Bacteria, respiration of, 20, 21 ; in 

 fermentations, 30-37; Engel- 

 mann's bacteria method, 56; nitri- 

 fying, 68; in root tubercles, 72- 

 76 ; N-fixing, 76 ; associated with 

 carnivorous plants, 83; sulphur 

 bacteria, 20, 98; iron bacteria, 

 20 ; nitrite and nitrate bacteria, 20 



Bacteroids, 74 



Bleeding, 127, 132 ; influence of tem- 

 perature, 134 ; pressure in bleed- 

 ing, 134, 135; amounts, 136 



Breathing pores, see Stomata 



BRUGMANSIA, 90 



Calcium, 99,100; Loew's hypothesis, 

 100 



Calories, liberated in respiration, fer- 

 mentation, intramolecular respir- 

 ation, see these topics 



Carbon, source of, 43; percentage in 

 air, 44; quantity in air, 44 



Carbon dioxide, rate of absorption, 

 45; means of maintaining sup- 

 ply, 45, 46 ; change in percentage 

 in air, 46 ; effect of increased per- 

 285 



