This journal provides immediate access to some articles. Volume 34(2); March 1959 Articles Effects of Petroleum Oils On the Oxygen Uptake in Respiration of Parsnip and Mustard. PMCID: PMC541151 Comparative Responses of Carbon Dioxide Outburst and Uptake in Tobacco. PMCID: PMC541152 Some Effects of Temperature and Carbon Dioxide Concentration on Photosynthesis of Mimulus PMCID: PMC541153 Effect of Acid Scarification on Lupine Seed Impermeability PMCID: PMC541154 Some Factors which Affect the Synthesis of Chlorogenic Acid in Disks of Potato Tuber. PMCID: PMC541155 Effect of 2,4-Dichlorophenoxyacetic Acid and 2,4-Dinitrophenol on the Uptake and Metabolism of Exogenous Substrates by Corn Roots. PMCID: PMC541156 Effect of Some Substituted Benzoic Acids and Related Compounds on the Distribution of Callus Growth in Tobacco Stem Explants. PMCID: PMC541157 Dark Fixation of CO2 by Tobacco Leaves. PMCID: PMC541158 Internal Distribution of Coenzyme Q in Higher Plants. PMCID: PMC541159 Studies of the Rest Period. I. Growth, Translocation, and Respiratory Changes in the Embryonic Organs of the After-ripening Cherry Seed. PMCID: PMC541160 Formation of β-Phenylglucoside in Plant Leaves. PMCID: PMC541161 Oxidation of Indoleacetic Acid by Quackgrass Rhizomes. PMCID: PMC541162 Malonate as a Participant in Organic Acid Metabolism in Bush Bean Leaves. PMCID: PMC541163 Enzymatic Degradation of Adenosine Triphosphate to Adenine by Cabbage Leaf Preparations. PMCID: PMC541164 Growth and Development of Isolated Phycomyces Sporangiophores. PMCID: PMC541165 Gibberellin in the Induction of Parthenocarpy in Zephyranthes. PMCID: PMC541166 Metabolism of Citrulline and Ornithine in Mung Bean Mitochondria. PMCID: PMC541167 News and Notes PMCID: PMC541168 Journal Matter Original table of contents page Administrative content — journal masthead, notices, indexes, etc. | ||