Index 



54i 



Heliotropism, 464. 

 Helminthostaehys, 235. 

 Heterangium, 138, 147, 148. 

 Heterostylism, 105. 

 Histogenetic layers, 194, 195. 

 Hordein, 396. 

 Humus, 331, 332. 

 Hyaloplasm, 168. 

 Hydrocyanic acid, occurrence of, 



354- 



Hydroplastids, 392. 

 Hydrotropism, 487. 

 Hymenophyllum, 237. 

 Hypochlorin, 294. 

 Hypoderma, 205. 

 Hyponasty, 447. 

 Hypopodium, 74. 



Idioplasm, 33. 



Induction period, 498. 



Intussusception, 33, 36, 183, 185. 



Inulase, 404. 



Inulin, 307. 389. 



Invertase, 406. 



Isoetes, 240. 



Kaloxylon, 147. 

 Karyokinesis, 181. 



in myxomycetes, 230. 

 Katabolic, 419, 431. 

 Kaulfussia, 236. 

 Kern, 386. 

 Kleberschicht, 402. 

 Klinostat, 471. 



Lactase, 407. 

 Lagenostoma, 138, 149. 

 Latent period, 498. 

 Laticiferous tissue, 222. 

 Leaf, anatomy of, 223. 



conception of, 70. 

 Leaflets, movements of, 455. 

 Lecithin, 398. 



Lenticels, 222. 



Lepidodendron, 144. 



Lepidostrobus, 146. 



Leptom, 219. 



Leptosporangiatae, 117. 



Leucin, 397. 



Lichens, nature of, 112, 229, 231, 



435- 

 Light, influence of, 452. 



Linin, 180. 



Liorhizeae Dicotyleae, 128. 



Lipase, 412. 



Liverworts, 232. 



Lophophyllum, 150. 



Lotase, 409. 



Luminous bacteria, 289. 



Lycopodiitm, 238, 240. 



Lyginodendron, 138, 147, 148. 



Macrostachya, 137. 



Maltase, 407. 



Marattia, 236. 



Marsilia, 237, 238. 



Medullosa, 148. 



Melizitase, 408. 



Meristele, 211. 



Mesistem (of Russow), 200. 



Mesozoic flora, 151. 



Mestom, 219. 



Metabiosis, 434, 436. 



Metamorphosis, progressive, 66. 



Micellae, 183. 



Microsomata, 171, 191. 



Middle lamella, 188. 



Mitosis, 181. 



Moss, structure of, 233. 



Mucilage, 390. 



Mycoplasm, 347. 



Mycorrhiza, 436. 



Myelopteris, 147. 



Myeloxylon, 136, 147, 148. 



Myosins, 394. 



Myrosin, 408. 



Negative pressure, 267. 



Nematophycus, 140. 



Nepenthes, 437. 



Neurofteris, 136, 146, 147. 



Nitrification, 334. 



Nitrogen, fixation of, by bacteria, 



325- 

 Nuclear division, 181. 



Nuclein, 181. 

 Nucleinic acid, 181. 

 Nucleolus, 181. 

 Nucleus, 178, 179. 



of starch grain, 386. 

 Nutation, 445. 



tindulating, 447. 

 Nyctitropic, 453. 



Oecology, 21. 

 Oedematin, 180. 

 Ophioglossum, 235, 236. 

 Orthotropic, 445. 



