IV CONTENTS. 



Page. 



The orchard, 0. M. Morris 553 



Fertilizing orchard fruits, Rudorf 553 



Variety tests of fruits, O. M. Morris 553 



Origin and development of the apple blossom, E. S. Goff 553 



Changes in the chemical composition of apples by storing, R. Otto 554 



Cold or cool storage, Kemp 554 



Chemical composition of different varieties of apples, R. Otto 554 



Pollination of apples, F. A. Waugh 554 



Growing prize peaches 555 



Peach-tree culture, C. M. Harrison 555 



Plum culture, Skillman 555 



Propagation of plums— preliminary report, F. A. Waugh 555 



Further work in plum pollination, F. A. Waugh 556 



The myrobalan plums, F. A. Waugh 557 



Summer pruning of wall plums, A. Petts 557 



Pomelos, H. H. Hume 557 



A new Ijanana in the Kongo Free State 558 



Coffee culture; influence of different manures, M. Koch 558 



The cultivation of cocoa in the West India Islands 558 



Trenching and subsoiling for American vines, R. Dubois and W. P. Wilkinson 558 



Observations on some new direct producers, Grandclement 559 



Artificial pollination of grapes, P. Paeottet 559 



Preserving grapes in bottles 559 



Top-working pecans, H. H. Hume 559 



The evolution of American floriculture 560 



Carolina bulbs, W. T. Massey 560 



Progress in cultivation of carnations and varieties, F. C. Goble 560 



Cyclamen for seed; P. Kopanka 560 



Culture of Persian cyclamens 560 



California lilies and their habitats, J. P. Davy 560 



Existence of Lilium auratum in Japan as a species, A. Unger 560 



The origin of Lilium, auratum 560 



The peony and its cultivation, W. A. Peterson 560 



Growing Primula sinensis for exhibition, J. Hobson 560 



Classification of hardy primulas from the cultural point of view, H. Correvon. 560 



Culture of Perle des Jardms rose, J. F. Ammann 560 



Rose stocks for grafting, H. A. Siebrecht 560 



Tree planting on rural school grounds, W. L. Hall 560 



FORESTRY. 



Forest conservation in Kentucky, J. B. Atkinson 561 



Tree planting, O. M. Morris 561 



Report of the forestry commissioner, J. T. Rothrock 561 



Forest fires and lumbering during the year 1899, R. S. Conklin 561 



Studies on the coast redwood, G. J. Peirce . : 562 



The Pennsylvania hemlock output 562 



The black pine, J. Huberty 563 



The relation between sap and heart wood oi the oak 563 



The teak industry of Siam, H. King 563 



The fixation of sand dunes, J. Demorlaine 563 



SEEDS — WEEDS. 



The force exerted by swelling seeds, D. 1 . MacDougal 563 



Seed studies, W. von Petery 563 



Report of seed testing, G. Valder 563 



Investigatiorx into the agricultural seed supply of Pennsylvania, G. C. Butz .. 563 



Report of the section of seed control for 1899-1900, A. Voigt 564 



Impurities of grass and clover seeds, L. R. Jones 564 



Killing weeds with chemicals, L. R. Jones 565 



DISEASES OF PLANTS. 



Phytopathology and its service to agriculture, E. Marchal 565 



Notes on plant diseases, E. M. Wilcox 565 



Notes on some species of Heiminthosponum, F. K. Ravn 565 



The growth of ergot on rye and various grasses, Noffray 566 



