Oct. x-Dec. 31,1917 
Index 
727 
Page 
Western wheat-grass. See Grass, western- 
wheat. 
Wheat. See Triticum . 
Wheat-grass, western. See Grass, western- 
wheat. 
Wesseis, P. H., et al. (paper): Reactions of 
the Phosphorus of the Thickened Root of 
the Plat Turnip.359^*370 
Wheeling, L. C., and McCool, M. M. (paper): 
Movement of Soluble Salts through Soils. 531-547 
White, O. E. (paper): Inheritance Studies in 
Pisum. IV. Interrelation erf the Genetic 
Factors of Pisum. 167-190 
White pine. See Pinus strobus. 
White-pine blister-rust. See Blister-rust, 
white-pine. 
White sanicle, syn. White snakeroot. 
White snakeroot. See Eupatorium urticae- 
folium. 
Whitetop, syn. White snakeroot. 
Wild grape. See Vitis spp. 
Page 
Willaman, J. J., and Moore, William (paper): 
Studies in Greenhouse Fumigation with 
Hydrocyanic Add.319-338 
Wilt, flax. See Fusarium lint. 
Worm, corn ear. See Com earworm. 
Yew, Pacific. See Taxus brevifolia. 
Zea mays — 
breeding for resistance to Chloridea obso¬ 
lete . S 49 “ 57 * 
effect of hydrocyanic-acid gas on. 423-433 
indirect effects of selections in breeding. 105-146 
protective characters against Chloridea 
obsoleta . 55<>“568 
selections for breeding with regard to— 
chemical composition. 105-146 
physical characters. 105-146 
types. 108-146 
variability. 208-146 
Zebrina pendula, effect of hydrocyanic-add gas 
on.426-428 
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