INDEX. 



ACCELERATORS, gg. 



Acer saccharinnm, 100. 



Acetone, 81. 



Acetic aldehyde, oxidation of, 65. 



Acidity, effect on respiration, 92. 



of media, 7, 51. 



Aerobic respiration, 71. 



Alcohol, 100, 101, 119. 



Alcoholic fermentation, 100. 



Alkaloids, synthesis of, 55. 



Almond, n. 



Amaranthus, 100. 



Amides, 57 59. 



Amines, 50. 



Amino acids, 50, 51, 54, 56, 58, 59. 



Ammonium salts, as source of nitrogen, 



50, 5i : 



Anaerobic respiration, 71, 100, roi, 103. 

 Anaesthetics, action of, on respiration, 79. 

 Andropogon halepensis, 99. 

 Anthocyanin, 76, 92. 

 Aponogeton, 27. 

 Arachis seedling, 12. 

 Arbutin, effect on respiration, 103. 

 Asparagine, 58, 59. 

 Aspergillus, 81, 92. 

 Assimilation number, 32, 48. 

 Assimilatory ratio, 41, 45. 

 Autocatalytic reaction, in, 113, 115. 

 Autumnal changes, 34. 

 Auximones, 131. 

 A vena sativa, 125, see also Oat. 

 Azolla, 131. 

 Azotobacler, 131. 



Bacillus botulinns, 69. 



cholera, 50. 



coli, 50. 



subtilis, 81, 91. 



tetani, 69. 

 Bacterium aceti, 67. 

 Bacterised peat, 131. 

 Barley, 74, 76. 



Bean, 74, 86, 88, 89, 101. 

 Beetroot, 98. 

 Begonia, 127. 

 Bomarca, 27. 

 Brassica alba, 74. 

 Bryophyllum calycinum, 133. 



Buck wheat, 108. 

 Buffer action, 8. 



CACTACEAE, 87, 94, 106. 



Carieine, effect on respiration, 81. 



Calorie, 62. 



Carbon dioxide, effect of, on assimilation, 



17- 



narcotic effect of, 22, 91 ; rate of ab- 

 sorption of, 22. 

 Carbon monoxide, 39, 40, 43, 73. 



oxidation of 63. 



Carboxylase, 85, 94, 98, 101, 105. 



Carpinus betulns, 77. 



Catalase, 69, 98, 99, loo. 



Catalpa bignonoides, 18. 



Ctrutophyllum, 22. 



Cherry laurel leaf, 82 ; see also Primus 



laurocerasus. 



Chloral hydrate, oxidation of, 65. 

 Chlorogenic acid, 104, 105. 

 Chlorophyll, 16, 13, 44, 46, 49. 

 Chloroform, effect on respiration, 79. 

 Chromogen, 104. 

 Cicer arietinum, 59. 

 Clover, 128. 

 Coco-nut leaves, 22. 

 Colloids, effect on growth, 129. 

 Conditioning factors, 15, 28, 33, 81, 118, 



121 ; see also limiting factors. 

 Crassulaceae, 73. 

 Cucumis sativus, no, 127. 

 Cucurbita pepo, 112. 

 Cyanogenetic glucosides, 60. 

 Cysteine, 68, 69. 

 Cystine, 69. 



DEHYDRASE, 66, 67, 68. 



Dehydrogenation, 64, 65. 



Desiccation, effect of, 90. 



Dextrose, 36, 37, 92 ; see also Glucose. 



Diastase, 83. 



Dihydroxy-acetone, 105. 



Dipeptide, 68. 



Dwarf habit of alpine plants, 58. 



Echinocactus, 90. 



Electric discharge, effect of, 128. 



Elm, 33. 



Elodea, 22, 25, 27, 41, 65, 74. 



137 



