INDEX OF SUBJECTS. 



1181 



Page. 



Plant tissues, root-tubercle bacteria 123, 22 1 



transpiration, studies 122 



Plantago gnaphalioides, notes, U. S. I). A . 343 



Plantain, woolly, notes, TJ. S. D. A 343 



Plantanus orientalis, notes 441! 



Plants, absorption of potash salts 1013 



activity of contractile roots 417 



agricultural, improvement 146 



anatomy anil physiology 121, 321 



asafi'ected by atmospheric precipita- 

 tion 125 



bud variation 613 



calcium salts 613 



copper Gil 



electricity 122,825 



light 928 



phenols 029 



assimilation of ammoniacal nitro- 

 gen 1011 



chlorophyll 517 



nitrates 34 



nitric nitrogen 1011 



blossoming periods 418 



cell -walls 417 



contact irritability 1013 



cruciferous, dimorphism 825 



cultivated, diseases 971 



parasitic fungi 266 



worms 170 



determination of chlorin 1004 



manganese 605 



phosphorus 1004 



sulphur 1004 



direct fertilization 415 



dissemination by stock cars 418 



distribution, Cal 253, 963 



economic, fungus diseases 266 



evolution as influenced by nutrition . 23 



fertilizer requirements, Cal 235 



for litter 349 



form and structure as affected by- 

 light ... 517 



mineral salts 1008 



formation of asparagin 720 



from Wyoming, new 518 



function of hydrocyanic acid 929 



geotropic movements 321 



improvement 151 



in ancient and modern times 418 



1 he greenhouse as affected by 



sulphur a nli yd rid 417 



leguminous, assimilation of nitrogen 321 



inoculation 825 



means of defense 23 



medicinal, X. C 612 



melliferous, studies 167 



moisture requirements 417 



nitrogen assimilation 414 



nutrition 1011 



nutrition 1013 



occurrence of copper 825 



glutamin 116 



hydrocyanic acid 223 



organography 612 



origin of lecithin 613 



Page. 

 Plants, ornamental, an affected by drought, 



X. J 449 



crossing and hybridiz- 

 ing, Iowa 252 



fertilizer experiments . 49 



for Maine 855 



Nebraska, Nebr 638 



pruning 356 



phanerogamous, nitrogen feeding.. 235 



physiological function of iron 518 



poisonous, feeding to sheep, U. S. 



D.A 793 



notes 725 



of Australia 519 



meadows and pas- 

 tures 361 



the United States, TJ. 



S.D. A 516,928 



to stock 54 



potted, fertilizer experiment s 49 



production of alpine characters.... 608 



propagation by cuttings 353 



proteid formation 223, 825, 925 



proteolytic enzyms 1017 



sensitive, grown in water 122 



sexuality 519 



sugar content as affected by sun- 

 light 1013 



temperature 921 



tolerance for alkali salts, Cal 226 



transpiration 822 



variegated, fungus attacks 59 



vegetative period in different cli- 

 mates 720 



waterin g 553 



Plasmodiophora brassicce, infection experi- 

 ments 560 



notes 456 



Plasmolysis and plasmotic membranes 417 



of bacteria 322 



Plasmopara cubensis, notes, Ohio 362 



on squash, N.Y. State. 455 



viticola, notes 155 



Platycerus depressus, notes 168 



quercus, notes 168 



Platygaster, development 170 



Pleroma bonuseula, notes 770 



PUurotus ostreatus, notes, U. S. D. A 551 



Plowing and harrowing 847 



deep vs. shallow for corn, Nebr — 429 



fall vs. spring for corn. Nebr 429 



Plows, tests 898, 1097 



Plum aphis, notes, Mich 766 



black knot, notes, X. II 433 



eurcuiio, notes, N.J 458 



remedies, Cans 370 



flower buds as affected by cold. Wi>.. 755 



gouger, notes, Kaus 369 



ground, notes. U.S. D.A 147,343,542 



leaf louse, Xev 164 



spot, treatment, X. Y. State 265 



rot, treatment. Can 871 



scale, Mich "66 



sphinx, remedies, Wash 867 



stoneless 440 



6736— Xo. 12- 



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