Oct., 1913-Mar., 1914 
Index 
533 
Page 
Triticum sativum , stunting of roots by Helminthosporium gramineum . 481 
sugars of. 287 
weight of 1 bushel of.. 283 
weight of 1,000 grains of. 283 
Tropaeolum majus , bacterial disease of leaves. 189-210 
food plant of Agromyza pusilla . 63 
Trypanosoma equiperdum, causal organism of dourine. 99 
Turnip. See Brassica rapa. 
Twig Blight of Quercus Prinus and Related Species, A (paper).339-346 
Tyloselike cells, occurrence in conifers. 461-462 
Tyloses, development of. 446 
occurrence in conifers. 459-461 
in hardwoods. 451 
in softwoods. 458-459 
practical significance of. 462-468 
relation of parenchyma development to. 448 
to creosote penetration of wood.464-467 
to durability of wood.462-464 
to water-logging of wood. 467-468 
Tyloses: Their Occurrence and Practical Significance in Some American Woods 
(paper).445-469 
Trypopremnon latithorax, n. sp. 350 
Trypopremnon, new genus. 349 
Udder, streptococci from. 492 
Undescribed heart-rots of hardwood trees. 109-128 
Species of Gymnosporangium from Japan, An (paper). 353 - 356 
Utah, indicator significance of vegetation in Tooele Valley.365-418 
Vanillin in soil. 3 59-3 62 
Variation in the alkaloidal content of Atropa belladonna . 129-146 
Vegetation in Tooele Valley, Utah, indicator significance of. 365-418 
Vetch. See Vicia sp. 
Vicia sp., food plant of Agromyza pusilla . 64 
Vigna unguiculata, food plant of Agromyza pusilla . 64 
injury by Agromyza pusilla . 74 
Volck, W. H., and Ballard, W. S. (paper), Winter Spraying with Solutions of 
Nitrate of Soda. 437-444 
Watermelon. See Citrullus vulgaris. 
Webster, F. M., and Parks, T. H. (paper), Serpentine Leaf-Miner. 59^88 
Weevil, cotton boll, occurrence in Arizona. 89^98 
of Solanum tuberosum , from Andean South America. 347 ~ 35 2 
Wheat. See Triticum sativum. 
Winter Spraying with Solutions of Nitrate of Soda (paper). 437-444 
Wood, creosote penetration of affected by tyloses. 464-467 
durability of, affected by tyloses.462-464 
hard, tyloses in. 451 
soft, tyloses in.458-461 
water-logging of affected by tyloses. 467-468 
Yoder, P. A., and LeClerc, J. A. (paper), Environmental Influences on the 
Physical and Chemical Characteristics of Wheat. 275-292 
Zagrammosoma multilineaia, parasite of Agromyza pusilla . 81 
Zygadenus paniculatus, in Tooele Valley, Utah. 378 
