INDEX OF SUBJECTS 



431 



Lactam ring, 47. 



Lactic acid, 309. 



Lactose, 137. 



Landscape architecture, 8. 



Latex, 287. 



Leaves, 36, 38, 221ff., 262, 324, 369. 



Lenticels, 222. 



Leucophyll, 41. 



Levulosans, 140. 



Levulose, 135. 



Lichens, 78, 140. 



Light, 30ff., 39ff., 60ff., 73, 81, 199, 



251, 254, 299, 332ff., 360, 365, 367, 



386ff., 389fT. 

 Lignin, 144. 

 Linkage, 134, 163. 

 Lipins, 157. 

 Lipoids, 157ff. 

 Lycopin, 51. 



Magnesium, 48, 103, 119. 



Maltose, 136. 



Manganese, 106. 



Mannosans, 140. 



Mechanical stimuli, 339. 



Mechanism, 408ff. 



Medicine, 7. 



Membranes, 14, 225ff., 229ff., 235. 



Mesophytes, 256, 336. 



Metaxenia, 382. 



Methane bacteria, 83. 



Micellae, 240. 



Mixophytes, 67, 69. 



Monosaccharides, 134. 



Moonlight, 34, 334. 



Morphology, 5ff., 72ff. 



Movement, 357ff. 



Mucilages, 142. 



Mutualism, 65. 



Mycorrhiza, 75ff., 97. 



Nastic movements, 364ff. 

 Nitrates, 90ff. 

 Nitrification, 81, 91ff. 

 Nitrogen, 87ff., 385ff. 

 Nitrogen bases, 182. 

 Nitrogen cycle, 97ff. 

 Nitrogen fixation, 93ff. 

 Nutation, 364, 367. 

 Nutrient solutions, 113, 300. 

 Nutrition, 75ff., 100ff., 379ff. 



Oils, 148, 187. 

 Osazones, 133. 



Osmosis, 229ff. 

 Osmotic pressure, 260, 331. 

 Oxidases, 314fT. 

 Oxidation, 313ff. 



Oxygen, 25, 38, 40, 300, 306, 337, 370, 

 389, 391. 



Parasites, 65ff., 78ff. 



Parthenocarpy, 382. 



Parthenogenesis, 383. 



Pectic enzymes, 143, 201. 



Pectins, 143. 



Pentosans, 141. 



Pentoses, 134, 319. 



Periodicity, 325. 



Permeability, 120ff., 159, 212, 



Phases, 15, 224. 



Phenols, 186. 



Philosophy, 3, 408ff. 



Phloem, 282ff. 



Phosphatids, 157. 



Phosphorus, 104, 158, 312. 



Photoperiodism, 386ff. 



Photosynthesis, 20ff., 53ff ., 72, 193, 295. 



Phototropism, 210, 367ff. 



Phycocyanin, 193. 



Phycoerythrin, 193. 



Phycophsein, 193. 



Phyllins, 48. 



Physiology, Iff., 17. 



Phytins, 48. 



Phytol, 47. 



Pigments, 45, 190ff., 316. 



Plasmolysis, 231. 



Plastids, 13, 41, 45, 358. 



Polarity, 354ff., 386. 



Pollination, 194, 302, 382. 



Polypeptids, 163. 



Polysaccharides, 138. 



Porphyrins, 48ff. 



Potassium, 104, 128. 



Potometers, 246. 



Precipitin reaction, 163. 



Proenzymes, 205. 



Prophylaxis, 79. 



Proteases, 274. 



Proteins, 21, 161ff., 199, 274, 280, 309. 



Protopectin, 143. 



Protoplasm, 12, 122, 357ff., 400ff. 



Pteridophytes, 64, 68, 335. 



Purine bases, 184. 



Putrefaction, 309. 



Pyrrol, 49, 103- 



