13* 



INDEX 



Enzyme limiting assimilation, 34, 48. 



Enzymes, 2. 



Ether, effect on respiration, 80, 81. 



Eucalyptus regnans, 120. 



Eurotium, 57. 



External factors in assimilation, 16, 17. 



FATS as respiratory material, 89 ; syn- 

 thesis of, 10 ; hydrolysis of, 12. 

 Fontinalis, 22, 25, 27. 

 Formaldehyde, 28-31, 39-46. 



effect on respiration of Aspergilltis, 



81. 



peroxide compound of chlorophyll, 



47- 



Formhydroxamic acid, 53, 54. 

 Formic acid, 29, 40. 

 Fructose, 43 ; see also Levulose. 



GALACTOSE, 43. 



Galanthus nivalis, 36 ; see also Snow- 

 drop. 



Gentiana brevidens, 38. 



Geotropic stimulation, effect of, on 

 respiration, 79. 



Germination, 12, 58, 74, 75, 84, 87, 88, 



100, 101, 102. 



Glucose, 101, 105, 119 ; oxidation of, 66. 



Glucosides, 56, 60. 



Glucuronic acid, 105, 106. 



Glutamic acid, 68. 



Glutathione, 68. 



Glyceric acid, 105. 



Glycine, 54. 



Glyoxaline, 55. 



Glyoxylic acid, 41. 



Grand period of growth, no. 



Grass, 128, 129. 



Growth, 2, 3, 107-136. 



rate curve, 109. 

 Guaiacum, 95. 



HEAT of combustion, 61, 62, 70. 



fermentation, 70. 



respiration, 77. 



Helianthus annuus, 15, 17, 21, 27, 37, 



75 ; see also Sunflower. 

 Helianthus tuberosus, 25, 26, 79. 

 Hevea, 120. 

 Hexose phosphate, 93. 

 Hexylene aldehyde, 38. 

 Histidine, 55. 

 Hormone, 132, 133. 

 Hydrocyanic acid, 60. 

 Hydrogen acceptor, 64, 65, 66, 67, 68, 

 69. 



dona tor, 67, 68. 



ion concentration, 4-9, 92. 



peroxide, 93. 

 Hydrolysis of fats, 12. 

 protein, 58. 



Hydroquinone, 64. 

 Hyponitrite, 53. 



ILLUMINATION, effect of, on assimilation, 



25- 



Infra-red rays in assimilation, 28. 

 Internal factors in assimilation, 32. 



respiration, 75, 85. 



Intramolecular respiration, 71. 



Lactarius, 96. 



Lactic acid, 106. 



Laminaria, 81, 102. 



Law of Compound Interest, 112. 



diameters, 20. 



van't Hot!' on temperature coef- 

 ficient, 23, 25, 122. 

 Lemna, 131. 

 Lepidlum sativum, 121. 

 Levulose, 36, 37 ; see also Fructose. 

 Light intensity, effect of, 16, 93, 124, 



127. 

 Limiting factors, 3, 16, 22, 36 ; see also 



Conditioning factors. 

 Lipase, 13. 

 Lipoids, 99, 115. 

 Lobelia, 127. 

 Logarithmic law, 116. 

 Lupin, 40, 59, 84, 85, 88, 98. 



MAIZE, 58, 108, 109. 



Malic acid, 73. 



Maltase, 37, 43. 



Maltose, 36, 70. 



Mangold, 37. 



Methylene blue, 64, 65, 66, 67, 68. 



Methylglyoxal, 105. 



Musa, 38. 



Mushroom, 101. 



Mutase, 66. 



Nereocys'is htetkiana, 73. 



Nettles, 130. 



Nitrates as source of nitrogen, 50. 



Nitrite intermediate in metabolism of 



nitrate, 52. 

 Nitrogen content, seasonal variation of, 



50. 



Nitrosomonas, 91, 92. 

 Normal solution, 4. 



OAT, 114 ; see also A vena sativa. 



Olive, 72. 



Onion, 74, 102. 



Opuntia tomentosa, 14. 



Osmosis, 3, 4. 



Oxalic acid, 73. 



Oxalis, 108. 



Oxidase, 85, 94, 95, 99. 



Oxygenase, 97, 103. 



