INDEX OF SUBJECTS. 



979 



Peas — Continued. Page, 



field, as a forage crop, D.S.D.A- 140 

 field, culture under dry farming, 



Idaho T34 



field, rate of seeding test, 



Idaho 734 



field, varieties, Idaho T35 



field, varieties, Oreg 228 



garden, varieties 833 



growth as affected by alUali 



salts, D.S.D.A 125 



rogues in 41 



water requirements. Wash 720 



Peat- 

 analyses, Conn. State 521 



and peat moors, utilization 618 



as a fertilizer or fertilizer filler- 332 



Industry, notes 822 



lands or soils. (See Soils, 

 peat.) 



litter as a manure absorbent 517 



litter, treatise 624 



machinery, tests 589 



production in United States 332 



resources of Wisconsin 786 



Pecans — 



culture, Ga 151 



culture, U.S.D.A 740 



storage, Ga 151 



top-working on hickory, Ga 151 



varieties, Ga 151 



Pectins, use in food products 167 



Perjomya cepeiormn. {See Onion 

 maggot.) 



I'elnrgonin, studies 709 



Pelargonium — 



canker, notes 56 



scarlet, coloring matter of 709 



Pellagra — 



cause 764 



prevention 259, 764 



relation to diet 258, 259, 764 



review of investigations 463 



Peloria in flowers 823 



Penicillium — 



expansum on plums, U.S.D.A 445 



luteum purpurogenum group 51 



spp. on citrus 446 



Pennsylvania — 



College, notes 497 



Station, notes 497, 900 



Station, report 197 



Pentarthron minutum (Tricho- 

 gramma pretiosa), parasitic on 



bud moth 250 



Pentosans in feeding stuffs, Tex 168 



Pentoses, utilization by OlomereUa 



(Angulata 351 



Peonin, studies 710 



Peony, coloring matter of 710 



Pepper — 



breeding experiments, N.J 144 



fruit disease, notes 442 



Peppermint, culture, U.S.D.A 151 



Pepsin as a substitute for rennet 574 



Page. 

 Peptone, eflfect on action of alcohol 



on plant cells 333 



Peptones — - 



in soils 325 



synthesis by means of enzyms- 708 



Perennials, varieties for Illinois 45 



Per id ermiu m — 



ftlamcntoaum on yellow pine 



seedlings, U.S.D.A 649 



harknessH and Cronartium 



qucrcuum, association 849 



pyriforme and Cronartium 



comandrw., identity 539 



pyriforme, new hosts, tJ.S.D.A- 354 



pyriforme, notes, D.S.D..4i 242 



strain, studies 750 



Periodates, determination 712 



Periodids, organic, studies 502 



Permeability as affected by trivalent 



and tetravalent cations 34 



Perocid, fungicidal value 847 



Peronospora wrborescens, notes 50 



Peronosporacea), perennial mycelium 



in, U.S.D..A. 154 



Persimmons, notes, U.S.D.A 43 



Pestalozzia palmarum, notes 56, 241, 442 



Petunias — 



double seeding, notes 44 



inhrt"itance of doubleness in 237 



Peyote, narcotic, studies 336 



Pezoporua (Schcnkia) tenthredi- 



narum n.sp., description 456 



Phalaris bulbosa, culture experi- 

 ments 631 



Phaonia signata, hibernation 254 



Phaseolus — 



adenanthus, culture, P.R 736 



semierectus, culture, P.R 736 



Pheasants — 



care and management 5tjy 



crossbreeding experiments 564 



Phenacetin, periodids of_^ 502 



Phenacoccua accricola, notes 752 



Phenodomus destruens, studies, Del_ 156 

 Phenological observations, import- 

 ance 536 



Phenospermy in Nicotiana 136 



Phlepsius n.sp., description 255 



Phlox — 



as a host of eelworm 349 



varieties 836 



Phoma — 



betce, notes 350 



betas, studies, U.S.D.A 156 



brassiccB, notes 241 



cajani, notes 52 



citricurpa, notes 644 



mali, notes 543,646 



I'homopsis mali, notes 247 



Phonolite potash, solubility 328 



Phorbia — 



cepetorum. (See Onion mag- 

 got.) 



niuscaria, hibernation 254 



