INDEX 



Suksdorf, W. N., 220 

 Swallen, Jason R., 224 



Tanning, 520 



Tanning industry in United States, 508 



Tannins, 509 



Tate, George H. H., 230, 245 



Taylor, N., 225 



Taylor, T. M. C, 215 



Taxonomy, of grasses, 179 



of higher plants, 192 

 Telome, 585 

 Terramycin, 447 



production by fermentation, 46 

 Tessman, Gunther, 235 

 Tetracycline production by fermenta- 

 tion, 46 

 Thaxter, R., 3, 4 

 Thimann, Kenneth Vivian, 19, 30, 391- 



404 

 Thistle, Canada, 406 



Russian, 406 

 Thom, Charles, 36, 42 

 Thomas, John H., 213 

 Thompson, Henry J., 213 

 Thompson, J. W., 219, 220 

 Tippo, Oswald, 1-13, 15 

 Tissues, 95 



cultures of, 627 

 initial vascularization of, 114 

 phloem, 108 



vascular, research on, 95 

 xylem, 100 

 Tomas da Silva, Nilo, 261-328 

 Tovar, O., 236 

 Tranquilizers, 448 

 Transeau, Edgar Nelson, 19, 31 

 Translocation, 411, 627 

 Trees in rain forest, density of, 282 



size of, 284 

 Trelease, S. F., 11 

 Trelease, W., 3, 4 

 Tukey, H. B., 422^41 

 Tiirckheim, H. von, 222 

 Tutin, T. G., 230 

 Tyrothricin, 447 



production by fermentation, 47 



Ule, Ernst Heinrich, 235, 238, 239, 245 

 Underwood, L. M., 3, 225 



637 



Uptake mechanisms in plants, 376 

 Urban, Ignatius, 225 

 Uribe-Uribe, Lorenzo, 232 



Van Niel, Cornells Bernardus, 19, 31 

 Vegetation, change and development in, 

 331 

 forest, 334 

 history of, 247 

 Virus diseases of plants, 78 



anatomic changes produced by, 79 

 asters yellows, 81 



curly top of sugar beets, 74, 81, 407 

 entrance into plant, 78 

 infection by, 78 

 mosaic, 80 

 potato leaf roll, 82 

 relation of plant anatomy to, 78 

 transmission of, 78 

 yellows, 81 

 Viruses, 62 



Vitamin biosynthesis, production by fer- 

 mentation, 37 

 vitamin Bo, 37 

 vitamin B12, 39, 47 

 vitamin D, 39 



Wallace, F. B., 243 

 Ward, George H., 213 

 Ward, L. F., 3 



Water relations in plants, 624 

 Watson, Sereno, 216 

 Weatherby, C. A., 469 

 Weaver, John Ernst, 19, 31 

 Weed control, 405 

 weed killers, 397 

 Weeds, losses from, 409 

 Went, Frits Warmolt, 19, 31, 615-628 

 Weston, WilUam H., 570-580 

 Wetmore, Ralph Hartley, 19, 32, 114, 



116 

 White, P., 627 

 Whittaker, 340-358 

 Wickerham, L. J., 37 

 Wiegand, K. M., 215, 218 

 Wiggins, Ira L., 213, 219, 220, 243 

 Wilkes, Charles, 216 

 Williams, Llewelyn, 229, 235 

 Williams, Louis 0., 223, 224 



