INDEX OF SUBJECTS. 



1175 



Plant louse, melon, remedies, Md 469 



N.J 68 



nutrition, arsenic acid for 1028 



pathology, studies 61 



physiology 1027 



enzymie ferments 624, 923 



production as affected by factors of 



growth 330 



t issues as affected by bacteria 852 



Plantago, revision of species 624 



I'laiit at ions, mixed 452 



Plants, acclimation 1028 



affected by San Jose scale, Va 1068 



and animals, conformity of propaga- 

 tion 1028 



as affected by alkaloids 625 



atmospheric precipi- 

 tation 427 



climatic conditions . . 1035 



copper 1028 



drought 921 



frosts 31 



heat rays 526 



phenols 421, 1028 



rain 330 



smoke 727 



sodium sulphite 622 



assimilation 28 



of ammoniacal nitrogen 325, 



330, 922 



nitric nitrogen. 325,330,922 



nitrogen 724 



assimilatory tissues 421 



bulbous, cult ure 756 



centrosomes 1027 



cork formation 330 



correlation of growth 421, 847 



cruciferous, brown rot 847 



cultivated, ash as affected by fertil- 

 izers 45 



diseases and injuries. . . 61, 568 



injurious animals 862 



of German colonies 943 



root galls 251 



spectroscopic examina- 

 tion 323 



decomposition of albuminoid sub- 

 stances 227 



determination of manganese 1023 



distribution, Cal 944 



edible wild 51,139 



emission of liquids 29 



environment 921 



feeding 756 



flowering, red pigment 422 



flowerless 726 



forage,S.Dak 241 



new 241 



formation of albuminoids 526,625 



alcohol 329 



asparagin 523 



freezing 330 



germinating, asparagin and gluta- 



min in 227 



how they attract insects 330 



injuries by asphalt vapors 61 



introduced, of Iowa 1027 



Page. 



Plants in Yellowstone Hot Springs 624 



leguminous, root tubercles 29,227 



ligneous, root rot 960 



malate 812 



malophospbate of lime 812 



marine, Pseudocommis vitis on 457 



movement of sap 812 



water 624 



of Mexico and Central America, 



studies, U. S. D. A 623 



saline soils 812, 921 



organic matter 903 



origin and function of transition 



tissue 1028 



ornamental, grouping 140 



pentosans 726 



periodicity of root pressure 810 



poisonous, of Germany 653 



to stock 957 



pollination 139 



regeneration of injured roots 1028 



respiration 326,1026 



role of tannin 25, 329 



sexuality 328, 812 



specific heat 625 



storage of nitrogen 524 



succulent, drying 422 



transfer of water 330 



used by Klamath Indians of Oregon, 



U. S. D.A 623 



wounded, evolution of heat 26 



Plasmodiophora brassica on cruciferous 



plants 957 



Plathelminthes, phylogeny 193 



Platymetopius dnerous, notes, Iowa 153 



Platynota rostrana, notes, TJ. S. D. A 370 



sentana, notes, TJ. S. D. A 370 



Platypedia putnami, notes, Oreg 767 



Pleurisy due to bacilli 192 



Pleuro-pneumonia in Belgium 192 



Great Britain, U. S. 



D.A 892 



Kansas, supposed out- 

 break, TJ. S. D.A ... . 893 



Pleurotus nidulans, notes 960 



Plodia interpuneteUa, notes, U. S. D. A 65 



Plowing, subsoil 234 



Plo wrightia morbosa, notes, Oreg 753 



Plows, American double and single, tests .. 295 



Plum curculio, Can 856 



Minn 151 



K.I 959 



TT.S.D.A 662 



remedies, Ala. Col 647 



Okla 371 



Wis 559 



fruit rot, treatment 457 



gouger, Minn 151 



leaf curl, treatment, Conn. St ate 569 



spot, treatment, N. V. State .... 148, 149 



lecanium, notes, IS T . Y. State 71 



mildew, Ohio 762 



plant louse, notes, TJ. S. D. A 668 



pockets, Ohio 762 



rot, Ohio 762 



treatment, Ala. College 647 



