This journal provides immediate access to some articles. Volume 20(3); July 1945 Articles BORON IN CITRUS TREES PMCID: PMC437231 EFFECT OF MECHANICAL STIMULATION ON THE ELECTRICAL AND CURVATURE RESPONSES IN THE AVENA COLEOPTILE PMCID: PMC437232 EXTENT AND LONGEVITY OF THE SEMINAL ROOTS OF CERTAIN GRASSES PMCID: PMC437233 EFFECT OF LIGHT INTENSITY, NITROGEN SUPPLY, AND FRUITING ON CARBOHYDRATE UTILIZATION BY THE COTTON PLANT PMCID: PMC437234 STARCH AND SUGARS OF VITIS VINIFERA PMCID: PMC437235 INDUCING DORMANCY IN LETTUCE SEED WITH COUMARIN PMCID: PMC437236 A SIMPLE AND EFFECTIVE HUMIDITY CONTROL PMCID: PMC437237 THE RESPIRATION OF GROWING PLANT CELLS PMCID: PMC437238 NOTE ON GALL FORMATION IN DECAPITATED YOUNG BEAN PLANTS PMCID: PMC437239 WOUNDING AND SUGAR TRANSLOCATION PMCID: PMC437240 Brief Papers: A NOTE ON THE PRESENCE OF PYRUVIC ACID IN EBENEZER ONIONS PMCID: PMC437241 Note NOTES PMCID: PMC437242 Journal Matter Original table of contents page Administrative content — journal masthead, notices, indexes, etc. | ||