IV CONTENTS. 



Page. 



Crop rotation and fertilizer experiments with bright tobacco, Cocke 437 



Wheat breeding experiments, Montgomery 437 



Is Federation wheat degenerating? Pridham 437 



Twenty-five years' plant improvement in Sweden, Nilsson 437 



HORTICULTURE. 



Radium as a means of forcing plants, Molisch 437 



New garden plants of the year 1911 438 



Report of division of horticulture of the Central Station, 1911, Calvino 438 



Home gardening in South Carolina, Newman 438 



Growing Denia onion seed, Garcia 438 



Impedunents to the vegetable industry and their control, Kindshoven 438 



Pomology 438 



Fruit culture, Goethe 439 



How to grow and market fruit .■ 439 



The California fruits and how to grow them, Wickson 439 



Experiments on the pollination of our hardy fruits. Hooper 439 



Orchard heating, Greene 439 



How a Ventura lemon grove was protected, Teague 439 



New heater and vaporizer for frost protection, McAdie 439 



Temperature injurious to peaches, apples, and pears 439 



Tests of summer sprays on apples, peaches, etc., Clinton and Britton 439 



Orchard spraying experiments, Bonns 440 



Analyses of materials sold as insecticides and fungicides 441 



The precooling of fruit in the United States, Dennis - 441 



Refrigeration in relation to fruit growing in Canada, Ruddick 441 



Breeding citrus trees, Shamel 441 



Work for citrus improvement, Coit 441 



Viticulture 441 



[Report of the viticultural branch], Blunno 441 



A new process of grafting American grapes, Bunert 442 



Making a rock garden, Adams 442 



Making a garden to bloom this year. Tabor 442 



FORESTRY. 



Key to trees of northeastern United States and Canada, Collins and Preston . . . 442 



Key to the wild and cultivated trees in autumn. Darling 442 



The seedlings of the live oak and white oak, Coker 442 



Tulipwoods and tulip trees, Dallimore 442 



Eucalyptus, its history, growth, and utilization. Sellers 442 



Camphor from Cinnamomum camphora in the Federated Malay States, Eaton . . 442 



[Rubber tapping experiments], Newport 442 



The woodlot for central Indiana, Pegg and Thomas 442 



Wood-using industries and National Forests of Arkansas 443 



Forest products of Canada, 1911. — Pulpwood, MacMillan et al 443 



Strength tests of cross-arms, Wilson 443 



The preservation of mine timbers, Peters 443 



Silviculture 444 



Influence of light and extreme temperatures on forest seed, Pittauer 444 



The selection strip-felling and its system, Wagner 444 



The lightning danger of various trees, Stahl 444 



Forest fire protection under the Weeks law in cooperation with States, Peters. . 444 



Eighth annual report of the state forester of Massachusetts, Rane 444 



Progress report of forest administration in the Andamans, 1910-11, Farrington. 445 



DISEASES OP PLANTS. 



Four new fungus diseases in Iowa, Pammel and King 445 



Notes on fungus diseases, Moore 445 



Fungi exotici: XIII, Massee 445 



The seed treatment of simimer grains, Hiltner 445 



Control of grain smuts, Westerdijk 445 



Cotton anthracnose, Barre 446 



Cotton anthracnose, Barre 446 



