890 



EXPEEIMENT STATION RECORD. 



Page. 



Plant bugs, remedies, TJ.S.D.A 462 



diseases — 



free publications on 495 



in Ohio, bibliography, Ohio 544 



legislation concerning 346 



notes 346,633,740 



prevalence in Mozambique 362 



New Zealand 147 



Ohio, Ohio 544 



Queensland 147 



Reuss 147 



relation to sap acidity 651 



review of literature. 740 



studies 31, 646, 740 



symptoms 645 



treatise 645 



treatment 61, 545,740, 745 



(See also different host plants.) 



enemies, new methods of controlling . . 646 



food, fixation by soils 18 



in soils, extraction 707 



supply and removal 714 



losses from plants and soils 18 



solution, rate equation 707 



transfer in leaves 28 



forcing experiments, bibliography, Mo. 526 

 with anesthetics, bibliography, 



Vt 341 



forms as affected by environment 227 



Fusarium diseases, studies, Ariz 646 



growth as affected by- 

 colored Ught 326 



electricity 326 



frost and vacuum, Vt 340 



heating of soO 722 



hydrolyzable salts 527 



Marasmius oreades 430 



salts 31 



soil moisture 130 



sterilization 221 



temperature 142 



ultraviolet rays 27 



zinc 129 



growth, effect on carbon dioxid con- 

 tent of soils 523 



relation to plant food ratios. . . 624 



hybrids, inheritance of structure in. . . 130 

 inspection. {See Nursery inspection.) 



laboratories for research work 130 



lice of Sweden, studies 54 



{See also Apple aphis, etc.) 



medicinal, description, U.S.D.A 529 



movements, Darwin's work on 227 



oxidases, extracting and purifying 210 



studies 228 



parasitism, origin 130 



pathologj', relation to bacteria 645 



weather,U.S.D.A. 15 



phosphatids, studies 7, 8 



physiology, bibUography 528 



investigations, Ariz 627 



in Cuba.... 227 



progress in 210 



pigments, red, as affected by oxygen. . 528 



products, composition 18 



protf'ction, treatise 544 



I'age. 



Plant proteins, role of oxygen in formation of. 29 



respiration as affected by phosphates. . 230 



bibUography 429 



rest periods, studies. Mo 526 



rusts, origin of heteroecism in 345 



secretions, effect on soil fertility 623 



smuts, Ufe history 345 



sooty molds, treatment 346 



tissues, formation of ammonia in 429 



serobiological behavior of. 681 



Plantago fastigiata, culture experiments, 



U.S.D.A 138 



Plantains, destruction, Can 339 



Plantation life in United States, treatise 692 



Plants- 

 absorption of barium by 328 



nitrites by 724 



phosphoric acid by 519 



activities in tropical rain forests 130 



aphids affecting. Can 361 



as affected by alkaloidal solutions 726 



fertilizers 224, 226 



longitudinal compression.. 130 



mineral salts 328,726 



parasitic fungi 645 



smelter fumes, U.S.D.A... 83 



a-scent of sap in, studies 628 



assimilation of nitrogen by 329 



attractive to fruit-eating birds, U.S.D..\. 154 



bulbous, studies on development of 229 



color in. Interpretation 428 



culture in pots, treatise 41 



unheated greenhouses 1 42 



cyanogenetic, studies 29 



desert, notes, U.S.D.A 136 



studies 130 



detection of chromogens in 230 



determina tion of chlorophyll in 708 



di.stribution, Cal 35 



factors affecting 130 



economic, in Palestine, U.S.D.A 529 



effect of habitat on drought resistance ... 428 



extraction of phosphatid from Oil 



flowering, culture 145 



of Iowa, blooming dates 736 



fodder, analyses 771 



food, of citrus white fly, Fla 462 



tobacco split worm 260 



for cottage gardens, treatise 443 



fixing sand dunes, U.S.D.A 529 



windbreaks and hedges, N. Dak 541 



forcing experiments 40 



Vt 340 



formation of albuminoid substances in. . . 527 



formaldehyde in 29,116 



glucosids in, 725 



function of rennet in 30 



geographical distribution 227 



greenhouse, diseases, notes 153 



herbaceous, culture 343 



fall V. spring planting 733 



heredity in, studies 130, 777 



imports, U.S.D.A 133 



insects affecting 658 



introduction into Cuba 227 



leaf coloration in \vlnter 243 



