Index 



515 



Stoklasa, J., 168, 304. 



Stomata, 90; production of, 92. 



Stone, G. E., 435; W. L., 462. 



Storage products, 251. 



Strasburger, E., 13, 34, 346, 380. 



Streaming, protoplasmic, 29. 



Sugar, 207, 255, 275. 



Sulfur, 182. 



Swingle, W. T., 127, 414. 



Synthesis, 227. 



Tannins, 263. 



Temperature, adjustment to, 408 ; 

 and buds, 411 ; and germination, 

 412 ; and photosynthesis, 216 ; 

 and production, 401 ; and root 

 elongation, 413 ; control of, 407 ; 

 inhibition by, 404 ; relations, 400, 

 414 ; response, 409 ; units, 405. 



Temperatures, cardinal, 402 ; plant, 

 408. 



Tendrils, 506. 



Ten Eyck, A. M., 63. 



Teodoresco, E., 435. 



Ternetz, C., 249. 



Thermotropism, 497. 



Thigmotropism, 497, 499. 



Timiriazeff, C., 225. 



Tissues, 16 ; differentiation of, 319. 



Tomato, Mendelian characters of, 

 486. 



Tonic influence, 495. 



Tower, W. L., 474. 



Toxic agents, 436, 461 ; acids, 442 ; 

 alkalies, 443 ; effects of solids, 

 440, 461 ; effects of substratum, 

 440 ; formalin, 447 ; illuminat- 

 ing gas, 450 ; methods of action, 

 441 ; organic compounds, 449 ; 

 salts of heavy metals, 446. 



Trabut, L., 398. 



Trachese, 28. 



Tracheids, 27. 



Translocation, 141, 250, 278. 



Transpiration, 84 ; amount of, 87, 

 110; and evaporation, 99; and 

 growth, 102 ; conditions affect- 

 ing, 96, 111 ; indications of, 109 ; 

 mechanism of, 88 ; modifications 

 affecting, 94. 



Transeau, 100, 112. 



Transplanting and wilting, 340. 



Tropic curvatures, 496. 



True, R. H., 462. 



Tschermak, 480. 



Turgor, 71. 



Turpentine, occurrence, 264. 



U 



Unavailable water, 55, 62. 

 Unproductiveness, 448. 



Van't Hoff, J. H., 83. 



Variation, 463, 489 ; fluctuating, 



466. 



Varieties and species, 464. 

 Vegetation and fruiting, 376. 

 Velamen, 58. 

 Verworn, M., 14, 34. 

 Vessels, 28. 

 Vincent, C. C., 379. 

 Vines, S. H., 14, 279. 

 Volkens, G., 135. 

 Voorhees, E. B., 168, 249. 

 Vries, H. de, 83, 493. 



W 



Wachter, W., 83. 



Wager, H., 435. 



Waite, M. B., 380. 



Ward, H. M., 249. 



Werming, 14, 128, 135. 



W 7 ater, absorption, 39 ; content, 



35, 37, 59; conduction, 113; 



transport, 102, 109 ; variation 



in organs, 38. 

 Water cultures, 142. 



