INDEX OF SUBJECTS. 



981 



Page. 

 Plant inspection. (See Nursery inspection.) 



juices, oxidase content, U.S.D.A 9 



lice, initirious to cotton 454 



(See also Apple aphis, etc.) 



metabolism, r61e of nitrogen in 26 



nutrients, displacement by water 52.5 



nutrition, relation to rocks and soils. . . 513 



parasites, remedies 128 



pest5, importation regulations 200 



phosphatids, studies 202 



physiology, r61e of electricity in 2.31 



treatise 21!) 



products, volatile, relation to sap flow. 133 



Quarantine Act, notes, U.S.D.A 845 



respiration as affected by cnzjrms 221 , 420 



studies 28,132,52,3 



roots, acid excretion 514 



assimilative power 514 



stimulation, treatise and bibliography. 331 

 Plants— 



absorption of dextrose and levulose by... 635 



nutritive substances by 826 



anthocyanin formation in 634 



as affected by- 

 basic compounds 229 



manganese and copper sulphates 130 



narcotics 826 



radiant energy 521 



radium illumination 134 



stimulants 27 



sulphur 27 



tarring roads 635 



tobacco smoke 2^-4, 830 



ultraviolet rays 827 



ash analyses 623 



beach, transpiration in 522 



blooming dates for lona 240 



carbon assimilation by 525 



chloroform extract 50f) 



cultivated, fruit and seed setting 323 



culture in sterile media '. 333 



under shade, N.J 741 



cumulative influence of starvation in 636 



desert, deciduous rootlets 329 



transpiration in 331 



water balance 29 



development as affected by electricity... 231 



dimorphism of chlorophyll grains in 427 



distribution and diffusion of nutrients in . 525 



as affected by sea water 527 



of oxidases in 632 



economic, culture in England 537 



effect on soils 124 



feeding with mineral matter through 



leaves 324 



forcing experiments 842 



with radium 437 



free hydrocyanic acid in 635 



freezing experiments 523 



function of manganese in, Ha.vaii 129 



grass-like, of New Mexico, N.Mex 431 



greenhouse, as affected by illuminating 



gas 332 



insects affecting, Can 356 



growth as affected by electricity 28 



863U°— 13 7 



Pase. 

 Plants— Continued. 



growth as affected by soil aeration 821 



Streptothrix 620 



hedge, of New Zealand 541 



herbaceous, breeding experiments, Can . . 343 



handbook 346 



insects affecting 255 



transplanting 491 



higher, assimilation of humus by 26 



urease in 633 



imported, control and disinfection 656 



imports, U.S.D.A 329,528,637 



Improvement in Sweden 437 



incipient drying in 29 



introduction into Arizona, Ariz 528 



Philippines 537 



killed, autolysis of proteins in 426 



light requirements 221 



lime and magnesia for, P.R 824 



localization of betaln in 203 



lower, protein synthesis in 226 



manganese content 830 



medicinal, methods of analysis 493 



narcosis in 130 



of New Zealand, ecology 733 



origin and role of oxalate of lime in 133 



of assimilated carbon in 227 



ornamental, breeding experiments, N.J. . 741 



cvilture experiments 43S 



varieties 438 



parasitic and saprophytic, nitrogen con- 

 tent 526 



arsenic content 830 



pentosans in, studies 427 



periodicity in 522 



post-mortem respiration 731 



protection against freezing 353, 524 



termites 454 



protein assimilation Ln 525 



regenerative processas in 829 



relation to nutritive elements of soil 721 



respiratory ferments in 828 



role of catalase in 526 



magnesia in 332 



respiration pigments in 426, 632 



water in, U.S.D.A 531 



shortening resting period 220, 221 



stimulation by poisonous substances 131 



succulent, transpiration in 522 



toxic excreta 30 



transpiration and sap flow in 222 



treatise and bibliography §21 



utilization of ammonium salts by 634 



water, transpiration in 223 



wilting cooffjcients 223 



studies 515 



wounded, heat evolution by 830 



Plasmodiophoracesp, studies 45 



Plasmolysis, studies 829 



Plasmopara viticola, notes 750 



relation to temperature. 49 



treatment 151 



Plaster, land. (See Gypsum.) 



Platinum chlorids, effect on starch ferments. . 109 



Platydana sp., remedies, Ohio 258 



