miDEX OF SUBJECTS. 



8Y7 



Page. 



Plant roots, excretion of toxic substances by. 524 



oxidative power, U.S.D.A 223 



seeds, germination tests, Mass 237 



study, use of spectroscope in 136 



Plantago lanceolata, analyses 769 



food assimilation by 543 



Plantain bacterial disease, description 250 



meal, manufacture and use 465 



Plantains, food assimilation by 543 



Plants, acid content 231 



adaptation to soils 21,141 



arsenic in 409 



as afiected by- 

 acids, alkalis, and salts 630 



cement dust 722 



colored light 720 



environment 141 



heat 139 



longitudinal compression 329 



low temperature 533, 630 



radium rays 230 



tarring roads 631 



ultraviolet rays 139, 328 



vapors 139 



assimilation and respiration, studies. 30 



ofamidsby 431 



bulbous, development 429 



callose in 32 



cross-fertilization in, importance 723 



cultivated, infection experiments 29 



insects affecting 98 



desert, relation to soil moisture 330 



distribution, Cal 338 



exercises with, for schools, Cal 493 



exosmosis in, experiments 137 



formation of asparagin by 629 



green, nitrogen assimilation by 29 



heredity in 397 



imports, U.S.D.A 723 



individuality in 169 



labiate, stachyose in 121 



living, termites affecting 56, 753 



malnutrition in. Mass 249 



movement of water in 626 



nouleguminous, effect on soil nitrogen 710 



notes 441 



P.R 147 



* of New Mexico, type localities 432 



ornamental, as affected by cold stor- 

 age 546 



culture in Ceylon 643 



notes, Cal 535 



varieties for Nebraska... 441 



osmotic power of, determination 521 



parasitism in, investigations 428 



pentosans in, studies 228 



perception of light by 329 



perfumery, production in United 



States, U.S.D.A 414 



poisonous and medicinal, notes 338 



of Missouri. 480 



manual 384 



of South Africa 778 



resistance to acids 231 



respiration 533 



as affected by stimulants . 138 



retarding by refrigeration 151 



Page. 



Plants, retention of mineral matter by 721 



rdle of boron in 138, 721 



catalase in 329 



latexin 629 



lipoids in 139 



tannin in 630 



sprouting, physiological processes in. 1.37 



substitution of assimilating organs in . 627 

 transpiration as affected by solar 



spectrum 136 



treatise 41, 397,607 



tropical, culture experiments 636 



methods of improvement . . . 631 



utilization of nitrates by 531 



variation in. Mass 228 



water secretion in 533 



wild, relation to tobacco gummosis. . 248 



Plasm and cells, treatise and bibliography. . . 770 

 Plasmodiophora brassicx. (5ee Cabbage club 



root.) 

 Plaster, land. (See Gypsum.) 



Platinum laboratory utensils, paper on 199 



Plectaneias, rubber yielding, in Madagascar.. 245 



Pleosphxria spp. , studies 742 



Pleuro-pneumonia, contagious, in cattle 85 



microbe of... 390 



infectious in horses 281 



Pleurotus cornucopioides, notes 723 



Plowing experiments, Cal 637 



Plum curculio, notes. Can 455 



remedies 459 



U.S.D.A 260 



dwarf, new variety 642 



leaves, mineral content, studies 331 



rot, treatment. Mass 252 



Plume grass, analyses 769 



Plums as aflectedby Bordeaux mixture, N.J. 156 



lead arsenate. Mass 253 



conserving in vinegar 613 



crown gall affecting 452 



U.S.D.A 249 



fertilizer experiments C40 



notes, P.R 147 



pear blight affecting 451 



silver-leaf disease affecting 349 



silvering in, notes 451 



varieties, Can 441 



for the home orchard, Mich. 149 



Victoria 544 



Plusia chalcites, notes, Hawaii 655 



Plutella cruciferaru m, notes 754 



Pneumonia, eq nine, treatment 485 



(See also Pleuropneumonia.) 



Poa spp., analyses 769 



Podisus marginiventris, notes, U.S.D.A 655 



Podosphxra leucotricha, treatment 156 



Pogonomyrmez sp., notes, Ariz 749 



Poinsettias, fungus disease affecting 555 



Poisons, resistance of animals to 84, 173 



wheat and barley to . . . 532 



Poliaspis media, injurious to flax 56 



Polish, methods of analysis 410 



Polistes annularis, notes 758 



Poll-evil in horses, immunization 283 



Pollen, new method of preserving 543 



Pollinia of Ceylon 259 



Pollinia rudis, notes. Conn. State 750 



