CONTENTS. ni 



FIELD CROPS. 



Page. 



Field expeiiments, 1914 330 



[Field crop studies] ' ' 33^ 



[Breeding experiments with cereals], Hume ' 331 



Vascular bundles and their significance in lodging of cereals, Moldenliawer 332 



Effect of different times of plowing emall-gi-ain stubble in Colorado, Grace 332 



Meadows and pastures, Voorhees 332 



Growing hay in the South for market, Piper, McClure, and Carrier 332 



Corn, milo, and Kafir in the southern Great Plains area, Chilcott et al 332 



Forage crops, Allen 333 



The effect on a crop of clover of liming the soil, Morse 333 



Hard clover seed and its treatment in hulling, Harrington 3.34 



Improvement of the flax crop by propagation from selected plants, Hunter 335 



Investigations on hops.— Ill, Pollination and fertilization processes, Winge. . . 335 



Spraying and dusting white potatoes, Headlee 036 



Potato spraying experiments at Pvush in 1914, Stewart 336 



Mulched potatoes for seed purposes in eastern Nebraska, Howard 336 



Potato seed certification in Wisconsin, Milward 336 



Pesults of four years' experiments Avith sugar cane, Bosenfeld 336 



Local fertilizer experiments with sweet potatoes, Duggar and Williamson 336 



Irrigation practice in rice growing, Haskell 337 



Growing liard spnng wheat, Ball and Clark 337 



Wheat silage, Shinn 337 ' 



Control of tumbling mustard, Adams and Hunter 337 



HORTICULTURE. 



Progress in plant breeding, Hansen 337 



Mushrooms, edible and poisonous, Babcock 338 



[Horticultural investigations at the Umatilla experiment farm, 1914], Allen. . . 338 



The influence of grass upon the growth of orchard trees, Barker 339 



Pruning, Merrill. 339 



New developments in spray materials, Scott 339 



New developments in spraying materials, Scott 340 



Farm apple storage, Cummings and Lombard 340 



Report of cranberry substation for 1914, Franklin 341 



State bog report, Franklin 342 



[Cranberry investigations] _. _. 342 



The avocado in California. — I, Culture, production, and marketing, Condit 342 



Botanical chfiracters of the leaves of the date palm, Mason 342 



Mangoes in Florida, RoLfs 342 



FORESTRY. 



Forest planting in Vermont as an investment, Hawes 342 



The cypress and juniper trees of the Pvocky Mountain region, Sudworth 343 



Caoutchouc, Ultee 343 



Cinchona culture, Groothoff _. 343 



Union of an oak and a birch, Davis 343 



Union of an oak and a beech, Hollick ._ 343 



Notes on the germination of some tree and shrub seeds, Ivinzel 343 



Town sewage and house garbage as a forest manure, Schwappach 343 



Forest administration in V/estern, Eastern, and Kumaun Circles, Billson et al. 344 



Report of forest administration in the Punjab for 1913-14, Mcintosh 344 



The production of lumber in 1913 344 



DISEASES OF PLANTS. 



[Investigations in plant diseases] _ 344 



Lightning injury to potato and cotton plants, Jones and Gilbert o45 



Relation between Puccinia graviinis and plants resistant to its attack, Stakman. 345 



The relation of grass rusts to the cereal rust problem, Stakndan oib 



The ascigerous stage of Hdvnnthosporiiim teres, Johnson ^45 



Some facts of the life history of Ustilago zese, Piemeisel ^45 



Third progress report on Fusarium-resistant cabbage, Jones - ^45 



Relation of temperature to infection by Fusarium conglutmans, Gilman o4b 



