INDEX 



Absorption, law of, 358. 



of gases, theories of, 281. 



selective, 359. 

 Achromatin, 180. 

 Aerobic, 428. 

 After effect, 499. 

 Albumins, 394, 395. 

 Atdrovanda, 440. 

 Akthopteris, 136, 146, 147. 

 Aleurone grains, 39 1 . 



layer, 402. 

 Amitosis, 181. 

 Anabolic, 431. 

 Anachoropteris, 149. 

 Anaerobic, 428. 

 Aneura, 233. 

 Angiopteris, 236. 

 Annual rings, cause of, 214. 

 Annularia, 142. 



Antheridium of Gymnosperms, 99. 

 Antherozoids of Gymnosperms, 99, 



121. 



Anticlinal, 193. 

 Antiphyt, 48. 

 Antipodal cells, 100. 

 Apheliotropism, 464. 

 Apogamy, 51, 108. 

 Apogeotropism, 470. 

 Apospory, 51. 

 Apostrophe, 452. 

 Archaeocalatnites, 141, 142. 

 Archesporium, 241. 

 Arthrodendron, 141. 

 Arthropitys, 143. 

 Artificial cells of Traube, 250. 

 Asparagin, 397. 

 Assimilation, nature of, 414. 

 Astely, 210. 

 Asterofihyllites, 143. 

 Astromyelon.) 142. 

 Auxanometer, 443. 

 Azolla, 237. 



Bacteria, palaeozoic, 141, 

 Bacterio-purpurin, 298. 



Bacteroids, 345. 

 Basichromatin, 180. 

 Benmttites, 150. 

 Betain, 397. 

 Betulase, 408. 

 Biogen, 418, 425. 

 Bioplasts, 172, 

 Bordered pits, 220. 

 Botrychium, 235. 

 Botryopteris, 135, 149. 

 Bovumanites, 143. 

 Bromelin, 411. 

 Bruckmannid) 142. 



Calamodendron, 143. 

 Calamopitys, 141. 

 Calamostachys, 142. 

 Cane-sugar, 307. 

 Carbohydrates of leaf, 307. 



- estimation of, 309. 

 Carotin, 298. 

 Caroubinase, 406. 

 Caseins, 394. 



Catabolic : see Katabolic. 

 Caulome, 66, 67. 

 Cell-wall, composition of, 187. 



formation of, 192. 



hypothesis of structure of, 182, 

 183, 184. 



Celluloses, 187. 

 Centrosome, 181. 

 Chalazogamy, 103. 

 Char a, 227. 

 Cheirostrobtis, 144. 

 Chemotaxis, 484. 

 Chemotropism, 484. 

 Chitin in cell-walls, 192. 

 Chlorophyll apparatus, 289. 



- energy relations of, 312. 



screen theory of, 314. 

 Chlorophyllan, 294. 

 Chloroplast, 36. 



structure of, 292. 

 Chlorovaporization, 266. 

 Cholesterin, 398. 



