IV CONTENTS. 



Page. 



Report of chemist, Blair 441 



Cherries in Washington, Thornber 441 



Insuring the peacli crop, Keffer 441 



The development and aims of grape grafting, Kroemer 442 



Notes on some cacaos at the Dominica Botanic Station, Jones 442 



The conimlttee on researches and experiments, Fredholm et al 442 



Pruning coffee. Do Amaral 442 



The inheritance of peloria and flower color in foxgloves, Keeble et al 442 



On the synonomy of roses 443 



Our garden flowers, Keeler 443 



Hardy plants for cottage gardens, Albee 443 



The ideal garden, Thomas 443 



The landscape beautiful, Waugh 443 



FORESTRY. 



Experimental determination of relation of fores^ to stream flow, Brandenburg. 443 



Kelation of deforestation to precipitation and run-off in Wisconsin, Devereaux. 443 



The forests of Alaska, Kellogg 443 



Forest, shade, and ornamental trees in Washington, Thornber 444 



The life history of lodgepole burn forests, Clements 444 



The application of recent knowledge and skill in pine seed kilns, Wiebecke . . 445 



The histology of resin canals in white fir, Mell 445 



Stand conversion in Vienna w^ods, Micklitz 445 



Sixth annual reiiort of the state forester of Massachusetts, Eane 445 



The impregnation of growing timber, Ottinger 445 



Guayule {Farthenium argentatum) , Escobar 445 



DISEASES OF PLANTS. 



Some fungus diseases of economic importance, Patterson et al 445 



Report of plant pathologist, Fawcett 446 



Report of assistant ])lant physiologist, Floyd 447 



Mutualism in certain parasitic bacteria and fungi, Manns 447 



Two barley blights, Pammel et al 447 



Rhizoctonia stem rot of beans, Barrus 447 



An anthracnose of red clover caused by Gloeosporium cauHvorum, Fulton 448 



Four years' results in selection for a disease-resistant clover, Bain and Essary. 448 



A. new hop mildew, Davis 448 



Wilt disease of pigeon pea and parasitism of Neocosmospora vasinfecta, Butler . 448 



Bacillus phj/topJtthorits, Smith 448 



Further studies of Phi/tophihora infestani^, Jones and Lutman 448 



Potato canker in Newfoundland, and the danger to the United States, Giissow. 449 



Wart disease of potatoes checked by greening 449 



Potato wilt and dry rot {Fusarium orysporum) , Orton 449 



Sulphur injury to potato tubers, Orton and Field 449 



Potato spraying experiments in 1909, Stewart et al 449 



Potato spraying severely tested, Hall 450 



The curly top disease of sugar beets, Shaw 450 



Colletotrichumfalcatum in the United States, Edgerton 450 



Timothy rust in the United States, Johnson 450 



Mycological studies upon wheat and wheat soils, Beckwith 451 



Floret sterility of wheats in the Southwest, Johnson 451 



Stemphylium tritici n. sp. associated with floret sterility of wheat, Patterson 451 



Relationship of certain bacterial soft rots of vegetables, Morse and Harding . . 451 



Malnutrition diseases of cabbage, spinach, and other vegetables, Harter 451 



Report of assistant in botany. Winters 451 



Mildew of ginseng, Whetzel 452 



Lettuce sclerotiniose, Stevens and Hall 452 



A fungus enemy of mushroom growing, Patterson 452 



A new tomato disease of economic importance. Smith 452 



Anthracnose of the blackberry and raspberry, Lawrence 452 



The double blossom, Cook . . .' 453 



Sclerotinia or die-back disease of the gooseberry, Salmon 453 



Treatmentof downy mildew of grapes by meansof oxychlorid of copper, Chuard . 453 



Copper oxychlorid as a fungicide for the grape mildew, Chuard 453 



Fungus diseases of the apple and pear, Stevens ^ . 453 



