INDEX 



Abies pectinata, nitrogenous compounds in, 

 p. 458. 



Abrus precatoriits, 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, 1 58. 



Acacia, 238; A. lop/ianta, formation of 

 asparagin by, 600. 



Accommodation, phenomena of, 21 ; to 

 concentrated nutrient solutions, 139. 



Acer platanoides, 262, 265 ; A. pseitdo- 

 platanus, 282 ; A. saccharinum, 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. 



Acorns 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 Jiippocastamim, 202, 324. 



Aefhaliuw, 1 1 1 ; A. septicum, 377 ; analyses 

 of, 67 ; corrosion of marble plates 

 by> i?3 ; production of ammonia by, 



391- 



Agaricineae, asparagus in, 459. 

 Agaricus, 368 ; A. cajnpestris, mannite in, 



476 ; A. niuscarius, trehalose in, 476 ; 



A. oreades, evolution of prussic acid 



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

 Agave, 257. 

 Aggregation, 95. 

 Aime, 206. 



Albisza 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. 



AIisia plan/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. ccpa, 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. ghttinosa, 267. 



Altmann, 479. 



