IV 



CONTENTS. [Vol.35 



Page. 



Effect of mineral fertilizers on strength of wood in the peach, McCue 239 



Methods and results in grape breeding, Anthony. ^^^ 



Recent work with Vitis vinifera in New York, Hedrick j^^ 



Growing and grafting olive seedlings j^^ 



Heredity studies mth the carnation, Connors ^^" 



The humidity factor in rose cultm-e, Blake ^^u 



FORESTRY. 



Michigan manual of forestry .—II, Forest valuation, Roth 240 



Structural timber in the United States, Betts and Greeley 240 



Laboratory tests on the dvuability of American woods.— I, Conifers, Humphi'ey . 241 



Preservative treatment of timber, Weiss and Teesdale 241 



The properties of balsa wood (Ochroma lagopus), Carpenter 241 



Notes on the ancestry of the beech. Berry 141 



British Columbia Douglas fir (Pseudotsuga taxifolia) 241 



British Columbia western soft pine {Pinus ponderosa) 241 



Influence of intensity of thinnings on yield of young spruce, Mer 241 



Manming experiments on rubber. Bunting 241 



Forest experiments on heath lands, Dalgas 242 



Handling the farm woodlot, Eaton 242 



Forest planting in Wisconsin, Barnard _ 242 



Forests of Yosemite, Sequoia, and General Grant National Parks, Hill 242 



Treatment of the forests of Mexico, Burcez 242 



Report of the forestry branch, Zavitz 242 



Reports of the forestry administration for 1914 242 



Forest protection laws and suggestions for an adequate law, Kallin 242 



Forest administration in Jammu and Kashmir State, 1914-15, Lovegrove 242 



Report of forest administration in the Punjab for 1914-15, Mcintosh 242 



DISEASES OF PLANTS. 



Miscellaneous pathological projects, Jackson and Winston 242 



Contribution to the study of the parasitic fungi of Colombia, Sydow 243 



Parasites of cultivated plants in Argentina, Hauman-Merck 243 



Report of the Institute for Phytopathology in Wageningcn in 1913, Ritzema Bos. 243 



Injuries and diseases of plants in Rhine Province, 1913, Schaffnit and Lustner. . 243 



Diseases and enemies of cultivated plants in Dutch East Indies, 1914, Rutgers. 243 



Injury from smoke, late frost, frost drying, and their diagnosis, Neger 243 



Occurrence of sulphur dioxid injury to plants in the Selby smoke zone, Jones.. 243 



Conditions of plant life in the Sclby smoke zone, 1914, Blankinship 244 



The parasitism of seeds and its importance in general biology, Galippe 244 



Crown gall studies showing changes in plant structm-es, Smith 244 



Horsehair blights, Petch 244 



Effect of host on morphology of certain species of Gymnosporangium , Dodge 244 



Contribution to the study of the Uredinese of Colombia, Mayor 245 



Diseases of grains and forage crops, Cook and Helyar 245 



Control of Fusarium, Weidner 245 



Experiments in control of club root of crucifers, Naumann 245 



Combined fungus attacks on some root crops, Eriksson 245 



Crown gall of alfalfa, Ritzema Bos 245 



Common diseases of beans. Cook 245 



Yellowing of beets by disease, Vasters 245 



A bacterial disease of cassava, Bondar 245 



Leaf scorch, scab, and gray mildew of cucumbers, Appel 246 



Control of Corynespora, the cause of leaf scorch of cucumbers, Obevstein 246 



Fusarium oxysporum and F. trichothecioidcs in relation to rot and wilt. Link. . . 246 



Effect of Fusarium on the composition of the potato tuber, Hawkins 246 



Late blight of potato, Darnell-Smith and Mackinnon 246 



Biochemical studies on potato leaf roll disease.— V, Amylase, Doby and Bodndr. 247 



Rice smut, Rutgers 247 



A disease of Glycine hispida caused by Septoria glycines ix. sp., Hemmi 247 



Injuries and diseases of tobacco in Dalmatia and Galicia, Preissecker 247 



The endoconidia of Thielnvia hasicola, Bricrley 247 



Watermelon stem-end rot, Meier 248 



Brown rot of fruit, Cayley 248 



Experiments for control of apple scab, Jackson and Winston 248 



The use of lime-sulphur as a summer spray for apple scab, Vincent 249 



