INDEX 



217 



Fatty acids, origin, 77. 



Feeding experiments with formalde- 

 hyde, 63. 



Fermentative processes, 106, 152. 



Flax, respiratory quotient, 103. 



Fontinalis, carbon assimilation, 10, 

 22, 23, 32. 



Food and respiration, 116, 125. 



— calorific values, 69. 

 Formaldehyde and carbon assimila- 

 tion, 59. 



— hypothesis, 62. 



— in leaves, 64. 



— photochemical production, 37. 



— polymerization to sugars, 60, 63. 



— theory of carbon assimilation, 56. 

 Formic acid hypothesis of carbon 



assimilation, 66. 

 Formose, 61. 



Fraxinus, traumatic reaction, 115. 

 Fungi, assimilation of amides, 83 ; 



growth, 188 ; nitrogen supply, 84 ; 



respiratory quotient, 106. 



Galanthus nivalis, sugars of leaf, 51 ; 



respiration, 129. 

 Gentiana brevidens, sugars of leaf, 52. 

 Germination of fat-containing seeds, 



72. 

 Glutathione, 146. 

 Glycerol, origin, 75. 

 Glycine hispida, growth, 204, 205. 

 Glycolysis, 163. 

 Gossypium, growth, 179. 

 Grain, respiration of damp, 131. 

 Grass, effect of fertilizers, 206. 

 Growth, 169 ; conditioning factors, 

 187. 



— and climate, 186. 

 colloids, 206. 



nuclei acid derivatives, 210. 



— grand period of, 174. 



— in ultra-violet radiation, 200. 



— influence of boron, 204. 



light, 194. 



manganese, 205. 



nutrition, 203. 



temperature, 187. 



water, 202. 



— zinc, 205. 



— inhibition by hormones, 212. 



Heat of combustion, 100. 



respiration, 114. 



Helianthus, absorption of carbon 

 dioxide, 20 ; carbon assimila- 

 tion, 32 ; development of 

 photo-synthetic power, 44 ; 

 growth, 179; protein forma- 

 tion, 183 ; respiration, 116, 

 168. 



— annuus, rate of carbon assimila- 



tion, 8 ; respiration, III. 



Helianthus tuberosus, carbon as- 

 similation, 31 ; effect of chloroform 

 on respiration, 117; temperature 

 coefficient of carbon assimilation, 

 27. 



Hermidin, 146. 



Heterohexose, 163. 



Hevea bvasilienses, growth, 186. 



History of material, importance of, 

 26. 



Hormones, 211. 



Hydrocyanic acid and oxidation, 

 138. 



■ — protein synthesis, 98. 



respiration, 143, 144. 



Hydrogen, an essential fuel, 144. 



— ion concentration and respira- 



tion, 134. 

 Hydrolysis of fat, 73 ; of protein, 



93- 



Hypnum, respiration, 133. 



Illumination and carbon assimila- 

 tion, 9, 30. 

 Ionized air and carbon assimilation, 

 42. 



— respiration, 119. 



Iron, role in respiration, 137. 



Lactacidogen, 156. 

 Lactic acid fermentation, 152. 

 Lactuca, protein formation, 82. 

 Laminaria, effect of anaesthetics on 



respiration, 119; respiration, 133, 



164. 

 Larmour's Law of Diameters, 18. 

 Law of Diameters, 18. 

 Leaf, protein formation in, 81 ; 



temperature of, 30. 

 Lemna, growth, 185, 209, 210. 

 Lepidium sativum, growth of radicle, 



188. 

 Lespedeza, growth, 196. 

 Lichens, carbon assimilation, 29 ; 



respiration, 132. 

 Light and respiration, 135. 

 shade plants, carbon as- 

 similation, 10. 



— effect of quality of, on growth, 



199. 

 ■ — influence on growth, 194. 



— range in wave-length used in 



carbon assimilation, 33. 



Lilac, carbon assimilation, 26. 



Limiting factors, doctrine of, 8 ; in- 

 teraction of, 9. 



Linum, respiration, 168. 



Lipase, 75. 



Lobelia, growth, 199. 



Lupin, asparagine in, 94 ; origin of 

 protein, 96 ; respiration, 122, 128 ; 

 zymase in, 153. 



Ly coper sicum, growth, 180. 



