IV CONTENTS. [Vol. 36 



Hybrid direct bearers in valley of Rhone in 1916, Desmoulins and Villard. . . . 641 



Blueberry culture, White 641 



Fertilizer experiments with cranberries in 1916, Schlatter 641 



Progress in vegetative propagation of tropical fruits, Wester 641 



History of the avocado and its varieties, Condit 641 



The cultivation and fertilization of the avocado in Florida, Krome 642 



Inherent characteristics of Theobroma cacao, and cacao experiments, Olivieri. . 642 



Species and varieties of coffee grown in Java, Wester, trans, by Maury 642 



The cultivation of guavas in Gujarat, Kulkarni 642 



Effect of fertilizers on the composition and quality of oranges. Young 642 



Notes on medicinal plants, Hosking 642 



Collection, drying, and cultivation of medicinal plants in Russia, Komarov. . . 642 



Notes on cinchona in Java, Wester 643 



Bulb growing for amateurs, Thomas 643 



Gladiolus studies. — I, Botany, history, and evolution, Beal 643 



Gladiolus studies. — II, Culture and hybridization, Hottes 643 



Field notes on sweet peas, edited by Morse 643 



Everybody's flower garden, Thomas 643 



Studies in gardening, Clutton-Brock 644 



Garden ornaments, Northend 644 



FORESTRY. 



Studies of the lumber industry, I, Greeley 644 



The essentials of American timber law, Kinney 644 



Instructions for the scaling and measurement of National Forest timber 644 



Historical review of Canada's timber industry, Lawler 644 



The forest trees of Canada, Lewis 644 



Commercial woods of the Philippines: Their preparation and uses, Schneider. . 644 



The trees of North Carolina, Coker and Totten 645 



Western yellow pine in Oregon, Munger 645 



Hybrids and other new chestnuts for "blight districts. Van Fleet 645 



Fourth biennial report of the state forester. Van Hook 645 



Report of the state forester for the period ended November 30, 1914, Ferris. . . 645 



Annual reports Washington state forester for 1915 and 1916, Ferris and Pape 645 



Report state forest administration in South Australia for 1915-16, GUI 645 



DISEASES OF PLANTS. 



Prophylaxis in vegetable pathology, Comes 645 



Diseases of cultivated plants, Delacroix and Maublanc 645 



Report of the botanist and plant pathologist, Barre 646 



Report of the mycological department in Tula for 1913-14, Trusova 646 



Fungus parasites in ProAdnce Voronezh in 1912, Bondartsev and Lebedeva 646 



Fungus diseases of cultivated plants in Turkestan, Zaprometov 647 



A monograph of the Uredinea?, Sydow 647 



The wintering of Colcosporiura solidarjinis, Mains 647 



The mosaic disease of tomatoes and petunias, Allard 647 



A bacterial disease of western wheat grass (Agropyron smithii), O'Gara 647 



Notes on an artificial culture of Rhizoctonia crocorum, Diehl 647 



Sclerotinia blight, a serious disease of snap beans, McClintock 647 



Physiology of Bacterium vialvacearum, Faulwetter 648 



A rot of endive, Ritzema Bos 648 



Studies upon the blackleg disease of the potato, Morse 648 



Potato wilt and tuber rot caused by Fusarium eumartii, Haskell 648 



History and cause of the rind disease of sugar cane, Johnston 648 



Resistance in fruits, Riaboi 649 



The root rot disease of the apple in Virginia, From me and Thomas 649 



Temperature relations of apple rot fimgi. Brooks and Cooley 649 



Phytophthora rot of pear, Schoevers 649 



Peach scab in Netherlands, Schoevers 649 



A root disease of prunes, Willis 649 



[Reports on grape downy mildew] 650 



The development and the treatment of downy mildew in 1915, Capus 650 



Diseases of grajjevines in Vardar, Viala 651 



Grape diseases in Greece, Viala 651 



Observations on the distribution of citrus canker, Mackie 651 



