INDEX 



219 



Primula malacoides, growth, 209. 

 Protein and respiration, 127. 



— fats formed from, 70. 



— formation and radiant energy, 83. 



— hydrolysis, 93. 



— origin in seed, 95. 



— respiration, of, 167. 



— synthesis, 81 ; nitrogen supply, 



84. 



and hydrocyanic acid 98. 



Primus, carbon assimilation, 32, 33. 



— laurocerasus, carbon assimila- 



tion, 9, 27, 29 ; respiration, 

 117, 120. 

 Pythiacystes atrophthora, growth, 



188. 

 Pyrus mains, reduction of nitrate, 89. 



Radiant energy and carbon assimila- 

 tion, 30. 



protein formation, 83. 



Radio activity and carbon assimila- 

 tion, 41. 

 Raphanus, respiration, 168. 

 Raphidium, assimilation of amides, 



83. 

 Reactive chlorophyll surface, 47. 



Reductase, 89. 



Respiration, 99 ; action of anaes- 

 thetics, 116; conditioning fac- 

 tors, 120 ; definition, 101 ; effect 

 of acidity, 134 ; effect of car- 

 bon dioxide, 109 ; effect of 

 ionized air, 119; effect of 

 poisons, 164 ; enzymes in- 

 volved, 136 ; heat evolved, 

 114 ; influence of food, 125 ; 

 influence of light, 135 ; in- 

 fluence of salts, 133 ; influence 

 of water, 129; intensity, no; 

 mechanism, 159 ; role of iron, 

 137; stimulation, 114; van't 

 Hoff's Law, 124 ; zymasic 

 type, 161. 



— and age, no. 



anthocyanins, 113, 134. 



catalase, 150. 



enzyme action, 131. 



fats, 128. 



glutathione, 148. 



organic acids, 103. 



proteins, 127. 



surface, 113. 



— of fats, 105. 

 Respiratory index, III. 



— pigments, 145. 



— quotient, 102. 

 Rhizoclonium, carbon assimilation, 



5°- . . 



Rice, catalase activity, 152. 



Ricinus, development of photo- 

 synthetic power, 44. 



Rubus, assimilation number, 43. 



Rumex acetosclla, assimilation, 170 ; 



respiration, 170. 

 ■ — ■ conglomeratus, nitrate content, 



87. 



Saccharomyces, alcoholic fermenta- 

 tion, 107 ; fat formation, 75 ; 

 nitrogen supply, 84. See Yeast. 



Salts and carbon assimilation, 47. 



— influence on respiration, 133. 

 Salvia, effect of ether on respiration, 



118. 

 Salvinia, growth, 209. 

 Sambucus, nitrate in leaf, 82. 



— nigra, carbon assimilation, 170 ; 



compensation point, 7 ; res- 

 piration, 170 



Sarcina, oxidase, 150. 



Schardinger reaction, 140. 



Seed, catalase activity, 151 ; matura- 

 tion, 71 ; respiration, 131. 



Shade and sun leaves, carbon as- 

 similation, 12. 



— plants, carbon assimilation, 10, 



170 ; respiration, 136, 170. 

 Sinapis, assimilation of formalde- 

 hyde, 59 ; growth, 169. 



— alba, carbon assimilation, 170 ; 



compensation point, 7 ; res- 

 piration, 162, 170. 



Snowdrop, respiration, 129; sugars 

 of leaf, 51. 



Solatium dulcamara, nitrate content, 

 87 ; reduction of nitrate, 90. 



" Sore-skin " fungus, growth, 189. 



Soy, fat formation, 71 ; growth, 195, 

 196, 205; respiration, 116. 



Sparmannia africana, carbon as- 

 similation, 16. 



Spirogyra, carbon assimilation, 50, 

 59 ; catalase activity, 151. 



Starch production in potato, 48. 



Stimulation of respiration, 114. 



Stomatal opening, rhythm, 21. 



Structural factor in carbon assimila- 

 tion, 12. 



Suaeda fruticosa, nitrate content, 86. 



Succulents, assimilatory quotient, 

 6; respiration, 104, 113. 



Sugar, fermentation of, 107. 



— and respiration, 126. 



— of carbon assimilation, the first, 



— production and desiccation, 54. 

 Sugars of assimilating leaves, 50. 



— polymerized from formaldehyde, 



60, 63. 

 Sun and shade leaves, carbon as- 

 similation, 12. 



— plants, carbon assimilation, 170 ; 



respiration, 136, 170. 

 Sunflower, growth, 179; protein 

 formation, 83. See Helianthus. 



