986 



EXPERIMENT STATION RECORD. 



Pago. 

 Plants — Continued. 



growth as affected by carbon 



dloxid 728 



growth in relation to soil mois- 

 ture 813 



herbaceous, breeding experi- 

 ments, Can 539 



herbaceous, culture experiments, 



Can r,:]9 



heredity of semisterility in 725 



horticultural, sap studies. Mo 139 



house, care 839 



ice fringes on, U.S.D.A 221 



immunity to their own poisons- 35 



imports, U.S.D.A 628 



injury by smolie, gas, and ashes_ 729 



irritability 222 



lactiferous tubers and cells of 130 



living, shipping to America, 



U.S.D.A 833 



medicinal, culture in England 46 



medicinal, improvement 143 



ornamental, culture, Greg 839 



ornamental, culture experiments, 



Ariz 540 



ornamental, culture experiments, 



U.S.D.A 337 



ornamental, culture in Arizona, 



U.S.D.A 232 



ornamental, diseases of, treat- 

 ment 344 



ornamental, varieties, U.S.D.A- 337 

 perennial, branch development 



In 128 



perennial, senile changes in 



leaves of 728 



poisonous, of California, Cal 778 



poisonous, of Kentucky, Ky 337 



poisonous, of western stock 



ranges. U.S.D.A 474 



rain-forest, transpiration 429 



resistance to cold, Mo 139 



response to stimuli 222 



sex evolution in, treatise 725 



submerged land, photosynthesis 



In 329 



transpiration investigations 221 



transplanting 494 



tropical, culture 45 



utilization of fertilizers and 



soil nutrients by 747 



water relations 429 



water requirement, U.S.D.A 127 



water, transpiration in 426 



woody, rest period in 437 



Plasmodiophora irassicw. {See Cab- 

 bage club root.) 

 Plaster, land. (See Gypsum.) 

 Plastids, evolution and physiological 



rSle 524 



Platypus sp., notes. Can 552 



Pleospora trichostoma, treatment- 145, 341 



Plesiocoris rugicollis, notes 849 



Pleuro-pneumonla, contagious. (See 

 Influenza, equine.) 



Page 



Pleurotropis teataceipea n.sp., de- 

 scription 



Pleurotus ostreatus, fruiting forms- 



I'lodia interpunctella. {See Indian- 

 meal moth.) 



Plow mold board, theory of 



I'lowlng — 



competitidn in Kent 



cost of, Minn 



e.xporimenthi, Okla 



spring v. fall, for moisture con- 

 servation, U.S.D..V 



tractors and cable systems for_ 



PJowriglitia — 



morhoaa, studies 



viryuliorum, notes 



Plows — 



draft of 86,687 



motor, tests 188,189,281,789 



I'lum — • 



black knot, studies 



leaf spot or shot-hole disease, 

 notes. Can 



Plumber's blowlamp, use against 

 weeds 



Plumbing for country homes 



Plums — 



acidity 1_ 



American, description, U.S.D.A- 



breeding, experiments 



breeding experiments. Can 



breeding experiments, Minn 



culture 



culture In Ontario 



culture in southern Texas, U.S. 



D..1 337,539 



culture in Uruguay 745 



killing by freezing. Mo 43 



new, descriptions. Can 438 



preservation by pressure, W.Va- 416 



pruning 837 



ringing experiments, N.Y.State- 636 



.sterility in, Minn 834 



stocks for, U.S.D.A 337 



varieties, N.Dak 538 



varieties, American, U.S.D.A 744 



winterkilling, Minn 834 



Plusia californica, notes, Oreg 651 



Pneumonia — 



contagious, treatment 682 



equine. {See Influenza, equine.) 



Poa nevadensis, digestibility, Wyo 770 



Podogaster cveti-ivorus n.sp., de- 

 scription 852 



Podosphwra — 



Icucotiicha, parasite of 544 



oxijcanthw, notes. N. Mex 641 



Pogonarthria fleckH, analyses and 



digestibility 167 



Pogonomynnex harbata, remedies, 



Ariz 549 



Poisoning, symptoms and therapy 578 



Poisons — 



detection 578 



effect on micro-organisms 308 



557 

 341 



281 



789 

 688 

 336 



525 

 486 



52 

 646 



52 



49 



139 

 87 



110 

 837 

 338 

 438 

 834 

 45 

 744 



