CONTENTS. ni 



AGRICULTURAL BOTANY. 



Page. 



A botanical lexicon, Gennadius 219 



Contributions ou plant breeding 220 



Hereditary variations in clilorophyll content of cereals, Nilsson-Ehle 220 



Tobacco investigations, Setchell 220 



Variation in bacteria, Jordan 220 



Flower pigments oi Jintirrhinummajus. — III, Wheldale and Bassett 220 



Distribution of stomata in some graminaceous seedlings, Zaepffel 221 



The transpiration current in plants, II, Janse 221 



Activities of protoplasts in the cells concerned with water transport, Janse 221 



Osmotic pressure of some epiphytes and parasites, Senn 221 



The exudation of ice from stems of plants, Coblentz 221 



Method of determining the life duration of seeds, Crocker and Groves 221 



Plant autogi'aphs and their revelations, Bose 222 



A comparison of responses of sessile and motile plants and animals, Shelford . . 222 



Thermotropism of roots, Eckerson 222 



Nutritive conditions determining growth of protista, Thornton and Smith 222 



The assimilation of nitrites and nitrates, Baudisch and Mayer 223 



The influence of salt on plants, Ewart 223 



The measurement of antagonism, Osterhout 223 



FIELD CROPS. 



Work of Scottsbluff reclamation project experiment farm in 1913, Knorr 223 



The work of the Yuma reclamation project experiment farm in J 1)13, Blair 225 



t Field crops work at the Texas Station], 1913, Youngblood 226 



experiments in crop production on fallow land at San Antonia, Letteer 226 



[Field crop experiments], Watts 227 



[Field crop experiments], Scotland 227 



Agricultiu-e in the Tropics, Willis 227 



Natural revegetation of range lands, Sampson 227 



Influence of potassic fertilizer on legumes, Barontini 228 



Practical corn culture, Ainsworth 228 



Report of the work in corn pollination, IV, Fisher 228 



Cotton , Watt s 229 



Economic conditions in the Sea Island cotton industry, Meadows 229 



Notes on the cotton of Cambodia, De Flacourt 229 



Flax from the East Africa Protectorate 229 



Guinea corn 229 



Hemp, Counsins 229 



Better methods of potato production for Iowa, Greene and Mauey 229 



Better methods of potato production for Iowa, Maney and Greene 230 



Xenia (?) in rice, Jacobson 230 



Head-to-the-row test -with rice, Jacobson 230 



The transplanting of rice, Gregotti ._ _. 230 



Drilling-fertilizer experiments with sugar beets in Hungary in 1912, Gydrfas. . 230 



Can sodium, wholly or partially, replace potassium for sugar beets? Kriiger. . 230 



The future of sugar cane and the sugar industry in Mexico, Fourton 231 



Sweet clover, Shoesmith 231 



Experiment in the selection of seeds, Griffin 231 



Thirteen years of wheat selection, Hutcheson 231 



The physiological selection of Tuscany wheat, Rampazzo 231 



Varieties of wheat in Semiretchinsk, Haksberger 231 



Further observations on wheat, Flaksberger 231 



Bulk handling of wheat, compiled by Jackson 231 



Iowa seed analyses, 1910-1913, Pammel and King 231 



A manual of weeds, Georgia 232 



HORTICULTURE. 



The development of gardening, with special reference to Dresden, Hofmanu.. 232 



The garden at home, Thomas 232 



[Horticultural investigations at the Yuma experiment farm, 1913], Blair 232 



[Report of the] citrus experiment station, Webber 233 



[Horticultural investigations at Scottsbluff experiment farm, 1913], Knorr... 233 



