INDEX 



Absorption, law of, 358. 



— of gases, theories of, 281. 



— selective, 359. 

 Achromatin, i*8o. 

 Aerobic, 428. 

 After effect, 499. 

 Albumins, 394, 395. 

 Atdrovatida, 440. 

 Alethopteris, 136, 146, 147. 

 Aleurone grains, 391. 



— layer, 402. 

 Amitosis, 181. 

 Anabolic, 431. 

 Anachoropteris, 149. 

 Anaerobic, 428. 

 Aneura, 233. 

 Angiopteris, 236. 

 Annual rings, cause of, 214. 

 Annnlaria, 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. 

 Archaeocalamites, 141, 142. 

 Archesporium, 241. 

 Arthrodendron, 14 r. 

 Arthropitys , 143. 

 Artificial cells of Traube, 250. 

 Asparagin, 397. 

 Assimilation, nature of, 414. 

 Astely, 210. 

 Asterophyllites ', 143. 

 Astromyelon, 142. 

 Auxanometer, 443. 

 Azolla, 237. 



Bacteria, palaeozoic, 141. 

 Bacterio-purpurin, 298. 



Bacteroids, 345. 

 Basichromatin, 180. 

 BcnnettiteSi 150. 

 Detain, 397. 

 Betulase, 408. 

 Biogen, 418, 425. 

 Bioplasts, 172. 

 Bordered pits, 220. 

 BottycAiutn, 235. 

 Botryopteris, 135, [49. 

 Bowmanites, 143. 

 Bromelin, 411. 

 Bruckmannia, 142. 



Calamodaidvon , 14;,. 

 Calamopitys, 141. 

 Calamostachys ,142. 

 Cane-sugar, 307. 

 Carbohydrates of leaf, 307. 



— estimation of, 309. 

 Carotin, 29S. 

 Caroubinase, 406. 

 Caseins, 394. 



Catabolic : sec Katabolic. 

 Caulome, 66, 67. 

 Cell-wall, composition of, 1 3 



— formation of. 192. 



— hypothesis of .structure of, 

 1 S3, 184. 



Celluloses, 187. 

 Centrosomc, iSj . 

 Chalazogamy, io/,. 

 Char a, 227. 

 Cheirostrobus, 144. 

 Chemotaxis, 4S4. 

 Chemotropism, 4S4. 

 Chitin in cell-walls, 19:. 

 Chlorophyll apparatus, 2S9. 



— energy relations of, 31 2. 



— screen theory of, ;, I 1 

 Chlorophyllan, 294. 

 Chloroplast, 36. 



— structure of, - > 

 Chlorovaporization 

 Cholc>tcrin, 39S. 



