INDEX 



Abies pectinata, nitrogenous compounds in, 



P- 458. 



Abrus precatonus, alkaloids of, 499. 



Absorption and excretion, 101. 



and retention of salts by soil, 166. 



, colouration and precipitation tests for, 

 98 ; hygroscopic, 161 ; mechanism of, 86; 

 influence of stomata on abs. of carbon 

 dioxide, 330; of fats, 100; of free 

 nitrogen, 402 ; methods, 403 ; of dyes 

 by living cells, 96 ; of light in deep 

 water, 352 ; of water, 209 ; relation of, 

 to transpiration, 227, sec. 37 ; appa- 

 ratus for, 232 ; influence of temperature 

 on, 210 ; of neutral and poisonous gases 

 on, 230 ; by subaerial organs, 158. 



Acacia^ 238; A. lophanta, formation of 

 asparagin by, 600. 



Accommodation, phenomena of, 21 ; to 

 concentrated nutrient solutions, 139. 



Acer platanoides, 262, 265 ; A. pseudo- 

 platanus, 282 ; A. saccharinwn, bleed- 

 ing of, 212. 



Acetamide, 383. 



Acetic fermentation, 559 ; influence of tem- 

 perature on, 560. 



Acetic acid, nutritive value of, for fungi, 384. 



Acid reactions of sap and of protoplasm, 

 490. 



Acidity of tissues, 328. 



A corns calamus, 156, 191. 



Acqua, formation of nucleus, 52, 53. 



Acrylcolloid, 70. 



Active albumin, 67-69. 



Acton, on nectar, 284 ; synthesis of carbo- 

 hydrates, 325, 326 ; absorption of or- 

 ganic food, 367. 



Adie, osmotic apparatus, 144. 



Adler, 202. 



Aeby, 396. 



Aeriferous system, in aquatic and terrestrial 

 plants, 181 ; in swamp plants, 180; 

 openings of, 188 ; pressure of air in, 

 182. 



Aerobes, 539, 540. 



Aerobic respiration, products of, 526 ; rela- 

 tion to anaerobic, 547. 



Aesculus hippocastanum, 202, 324. 



Aethalium, i n ; A. septicum, 377 ; analyses 

 of, 67 ; corrosion of marble plates 

 byj 173; production of ammonia by, 



391- 



Agaricineae, asparagus in, 459. 



Agaricus, 368 ; A, campeslris, mannite in, 

 476 ; A. muscarius, trehalose in, 476 ; 

 A. oreades, evolution of prussic acid 

 by, 391 ; A. ostreatus, ferment of, 509. 



Agave, 257. 



Aggregation, 95. 



Aime, 206. 



Albizza saponaria, 238. 



Albumen, 64-66 ; nutritive value of, for 

 fungi, 384. 



Albuminoids, 65, 66. 



Alburnum, conductivity of, for water, 213, 

 214. 



Alcohol, production of, 538. 



Alcoholic fermentation, 555-7. 



Aldrovanda, 377-9. 



Alessandri, 240, 251. 



Aleurone grains, 461, 595. 

 - layer, 599. 



Algae, maximal depth for, 352; reserve 

 materials of, 604. 



Alisma plant ago, 191. 



Alkali-chlorophyll, 316. 



Alkaline reactions of cell-sap and proto- 

 plasm, 490 ; tests for, and influence of 

 peptone on, 490. 



metals, in plants, 429. 



earths, in plants, 431. 

 Alkaloids, 498 ; function of, 499. 

 Allantoin, 383. 



Allium, 334; A. cepa, 319, 325, 473, 474, 

 600; glucose in, 142, 515 ; oil in, 592 ; 

 rise of temperature in, 566 ; germina- 

 tion of, 596. 



Allotrophic nutrition, 363. 



Alnus, 191 ; A. glutinosa, 267. 



Altmann, 479. 



