CONTENTS. Ill 



Page. 



Studies on the oxidizino; power of roots, Schroiner and Reed 422 



The effect of the coh)r of loaves on their internal temperature, Smith 422 



Studies on Plasmodiophoraceie and Phytomyxina-, Maire and Tison 423 



The action of i)oisons on Chlamydomonas and other vegetable cells, Harvey. . . 423 



Number and distribution of native legumes in Nebraska and Kansas, Warren. 424 



Seeds and plants imported from October 1 to December 31, 1908 424 



FIELD CROPS. 



Field experiments in 1906-1908, Woods and Bartlett 424 



[Work with field cro]is], Nesom 425 



Report of the chemical and seed control station at Trondhjem, 1907, Solberg. . 425 



Report of the chemical and seed control station at Trondhjem, 1908, Solberg. . 425 



Report of the Shatilov Agricultural Experiment Station, Viner 425 



Twelve years' results at the Odessa Experiment Station, Rotmistrov 425 



Report for 1908 of the trade and agriculture of Poland and Grodno, Bayley 425 



Fibers, Dunstan 426 



Fertilizer and seeding experiments with root crops, Clark and Minns 426 



Perennial leguminous crops in the southwestern steppe region, Buichikhin 426 



The wild alfalfas and clovers of Siberia, Hansen 426 



Report of progress in variety tests of barley, Willis and Bopp 426 



Variety tests with two-rowed barley for 21 years, Mortensen and Hansen 427 



The importance of broad breeding in corn, Collins .' . . 427 



A preliminary report on cotton experiments, Krauss 427 



Fertilizer experiments with cotton. Harper 428 



The seed of Eruca mtira and its extraction residues, Hals and Gram 429 



The water consumption of lupines, von Seelhorst 430 



Meadow fescue; its culture and uses, Vinall 430 



The necessity for new standards of hop valuation, Stockberger 430 



Improvement of the oat crop, Warburton 430 



A' critical period in the development of oats, I, Vikhlyaer 430 



Potato notes, Bennett, Paddock, and Johnson 430 



Preliminary report on potato germination troubles in 1909, Johnson et al 430 



Results obtained from inoculating soy beans with artificial cultures, Fred 431 



The role of the oxalates in the germination of beet seeds, Doby 431 



The evaporation of water by sugar beets, Slezkin 431 



Progress of the beet-sugar industry in the United States in 1908, Say lor 431 



Varieties of cane, May 431 



The passing of the Bourbon cane in Antigua, Tempany 432 



A cane stripping experiment at Olaa plantation 432 



Sweet potato work in 1908, Keitt 432 



Work at the tobacco experiment stations, Mathewson 433 



The improvement of Wisconsin tobacco through seed selection, Sandsten 434 



The culture and selection of tobacco, Trabut 434 



Ripening of wheat influenced by soil moisture, von Seelhorst and Krzymowski . 434 



The root systems of varieties of spring wheat, von Seelhorst and Krzymowski. . 435 



The development of wheat on the black soils of Southern Russia, Lokot 435 



Moisture content and shrinkage in grain, Duvel 435 



Report of Nebraska seed laboratory, Wilcox and Stevenson 435 



Killing mustard and other weeds in grain fields by iron sulphate, Olive 435 



Weed work, Bolley 436 



HORTICULTURE. 



Cabbage experiments and culture. Close and White 437 



Growing better gems. Troop and Woodbury 437 



Varietal study of sweet com. Price and Drinkard, jr 438 



Growin" onions from seed, Troop and Woodbury 438 



Varietal study of tomatoes. Price and Drinkard, jr 438 



Missouri apple growing, Whitten 438 



Culture and analyses of French cider apples in Virginia, Price and EUett 438 



The olive and the oils of the Province of Catania, De Cillis 438 



Effects of annular decortication on peaches, Calzolari and Manaresi 439 



