CONTENTS. m 



Page. 



The use of radio-active substances as fertilizers, Ross 324 



The fertilizing value of shoddy 325 



Commercial fertilizers and agricultural lime, 1913 325 



Report of analyses of samples of commercial fertilizers 325 



Tabulated analyses of commercial fertilizers, Frear 325 



AGRICULTURAL BOTANY. 



Size inheritance and the pure line theory, Castle 325 



Experiments which show hybridization and mutation are independent, Gates. . 326 



Genetical studies on (Euothera, V, Davis 326 



Crossing a wild pea from Palestine with commercial types, Sutton 326 



Six difterent species of nodule bacteria, Garman and Didlake 327 



The nitrogen nutrition of mold fungi, Brenner 327 



Bacterial symbiosis in case of Rubiacese, von Faber 327 



The assimilation of atmospheric nitrogen by plant hairs, Kovessi 327 



The biological formation and function of alkaloids, Gadamer 327 



Formation of carbohydrates in plants, Fincke 328 



The synthesis of sugar by radium emanations, Stoklasa, Sebor, and Zdobnicky . 328 



Influence of electricity on absorption of nutritive substances, Chouchak 328 



Physiological studies on lactescence and caoutchouc, Tobler 328 



Influence of carbon dioxid in germination of seeds, II, Kidd 329 



Development and germination of the seed in certain Polygonacese, Woodcock . 329 



The significance of radio-activity in physiology, Stoklasa 329 



PhotosjTithesis in submerged land plants, Heimburger 329 



FIELD CROPS. 



The vegetation of a typical wild hay meadow. Stout 329 



The most important meadow grasses in the first vegetative year, Sinz 330 



Accumulated fertility in grass land in phosphate manuring, Somerville 331 



Composition of grasses and clovers at clifferent ripening stages, Rordam 331 



Green manuring and cover crops. Brooks 332 



The work of the San Antonio experiment farm in 1913, Hastings 332 



Work of Umatilla reclamation project experiment farm in 1913, Allen 332 



Cereal experiments at Dickinson, N. Dak., Clark 333 



Growth of maize seedlings in relation to temperature, Lehenbauer 334 



Fertilizers for potatoes. Brooks 335 



On the "dead grains " of rice, Silvestri 335 



Perennial rye grass seed , Cockayne 335 



The grain sorghums, Churchill and Wright 335 



The crops on the experimental sugar-cane fields, 1913, Harrison et al 336 



Winter- wheat varieties for the eastern United States, Leighty 336 



Some Kentucky weeds and poisonous plants, Garman 337 



HORTICULTURE. 



[Report on horticultural work at the San Antonio station, 1913], Hastings 337 



Horticultural investigations at Umatilla experiment farm, Oreg., 1913, Allen . . . 337 



Cabbage, cauliflower, turnip, rape, and other crucifers, Brooks 337 



Suggested rules for naming garden vegetables 337 



Trees and shrubs hardy in the British Isles, Bean 337 



Practical manual of fruit culture, Durand 337 



Minnesota state fruit breeding farm in 1914, Haralson 338 



An experiment in dry -land orcharding, Mackensen 338 



Directions for sending fruits for identification, Shaw 338 



Lime and sulphur solutions, Stone 338 



The cherry, Peneveyre 338 



Growing peaches: Sites, planting, tillage, and soil fertility, Gould 338 



Growing peaches: Pruning, interplanted crops, and special practices, Gould.. 338 



Gro^ving peaches: Varieties and classification, Gould 338 



A new walnut, Babcock 338 



The coconut, Copeland 339 



The economic properties of soiue hardy ornamental fruits, Dallimore 339 



Garden notes on new trees and shrubs. Bean _. 339 



The practical book of outdoor rose growing for the home garden, Thomas, jr — 339 



Sweet peaa for profit, Dick 339 



