INDEX 



629 



Tabaschir, 435. 



Tacke, 395. 



Tagma, 77. 



Tamarix mannifera, saline incrustations of, 

 162. 



Tamman, 103, 416, 429, 438, 462, 502 ; on 

 dissociation and osmotic pressure, 142. 



Tannin, 320, 491, sec. 87; function of, 

 492, 493 ; occurrence in cell-sap, 97. 



Targioni-Tozzetti, 438. 



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



Taurin, as source of sulphur, 429. 



Tautomery, 466. 



Taxiis baccata, 246. 



Tecoma, 580. 



Telluric acid, 438. 



Temme, on duramen, 484. 



Temperature, influence of, on bleeding, 263; 

 on fermentation, 560 ; on development of 

 chloroplastids, 336; on metabolism, 

 512 ; on nutrition of fungi, 384 ; 

 on vapour tension, 162, 163 ; on trans- 

 piration, 246; on secretion of nectar, 

 286 ; optima and minima of, for photo- 

 synthesis, 337, 338 ; - for respiration, 

 561, 562. 



Tetraethylammonium hydroxide, 383. 



Tetragonolobits purpureus, depletion of iso- 

 lated endosperm of, 599. 



Tetraplodon, 379. 



Thallium, occurrence of, 437. 



Tharander, 264. 



Them, aplastic character of, 457. 



Theorin, 494. 



Thermo-diffusion, 204. 



Thermophile bacteria, 64. 



Thermosynthesis, definition of, 292. 



Thesium, 366, 369. 



Thiel, 153-5, 381-4- 



Thlaspi alpestre, 436. 



Thomas, 190. 



Thomson, 427. 



Thuja, 333 ; reversal of bilaterality in, 20. 



Thuman, 497. 



Tieghem, van, 204, 247, 341, 593 ; on chloro- 

 vaporization, 247 ; inactivity of endo- 

 sperm, 597 ; mobilization of reserve- 

 materials, 598, 599. 



- et Bonnier, 100. 



Tilia, 9 ; influence of temperature on starch 

 production in, 512. 



- eiwopaea, transpiratory activity of, 244. 

 Tillandsia usneotdes, 159. 

 Timiriaseff, 350, 352, 355. 

 Tischutkin, 379. 



Tissues, division of labour in, 574. 



Titanium, 438. 



Tittmann, 239 ; on formation of callus, 580 ; 

 regulatory development of cuticle, 1 17. 



Tollens, 420, 450, 469, 474-7, 481, 483, 555 ; 

 on acrylcolloid, 70. 



Townsend, influence of nucleus on forma- 

 tion of cell-wall, 53 ; distance of 



transmission of, 58 ; rapidity of cell- 

 wall formation, 483. 



Toxalbumins, 64. 



Toxins, 514. 



Tracheae, air-bubbles and water-columns 

 in, 223. 



Tradescantia, 52, 185 ; changes in colour 

 of cell-sap of, 98, 118; -- induced by 

 hydrogen peroxide, 546 ; T. discolor, 

 145, 195 : T. Selloi, 433. 



Tmgopogon porrifolius, latex of, 582. 



Translocation, 573 ; of organic food, 573, 

 sec. 106 ; in bulbs, tubers, rhizomes, 

 604 ; - - trees, 602 ; -- fruits and seeds, 

 60 1 ; leaves, 600 ; - algae, 591 ; 

 from cell to cell, 112; of ash constituents, 

 583, sec. 107; causes of, 587, sec. 108 ; 

 historical account of, 582; influence of 

 mechanical movements on, 589; --of 

 oxygen on, 590; -- of plasma stream- 

 ing, 589; of plasmolysis, 590; 



- of protoplasmic connexions, 588 ; 



- of vital activity, 590 ; inhibition of, 

 by chloroform, 590 ; materials em- 

 ployed in, 577 ; mechanism of, 87, 587, 

 sec. 108 ; of oil, 592 ; of photosynthetic 

 products, 600 ; of sugar, 592. 



Translocatory channels, direct, 587-9 ; in- 

 terrupted, 588. 



Transpiration, cuticular and diastomatic, 

 236 ; - - relative amounts of, 243 ; esti- 

 mations of, 247, 250, 251 ; Garreau's 

 apparatus for, 244, Fig. 32 ; influence of 

 concentration of sap on, 238 ; - of 

 ethereal oils on, 238 ; -- of hairs, 238 ; 

 of waxy coverings, 244 ; - - of tannin, 

 239; of external conditions, 245 sec. 39; 



- of humidity of air, 245 ; - of tem- 

 perature of plant and of air, 246 ; - - of 

 visible rays of spectrum, 246 ; -- of air- 

 currents and mechanical vibrations, 248 ; 



- of dissolved substances, 249 ; - - of 

 light, on green plants, 246 ; on fungi, 

 247; - - of specific peculiarities, 234; 

 under normal conditions, 249, sec. 40 ; 

 influence of, on percentage of ash, 235 ; 



on development of wood, 216 ; 

 methods of demonstration, 241 ; pro- 

 tections against, 228, sees. 38, 40, 

 236-9 ; from twigs and branches, 237 ; 



- influence of cork formation on, 237 ; 

 weighing balance for, 241. 



and absorption of water, relation be- 

 tween, 227, sec. 37 ; - apparatus for 

 demonstration of, 232. 

 - current, reversal of, 212. 



Trapa natans, 428, 437; analyses of ash of, 

 128. 



Traube, 1 10, 538 ; on cell-wall as an oxida- 

 tion product, 483 ; on precipitation 

 membranes, 106, 107. 



Trees, translocation in, 602. 



Trehalose, 476. 



