This journal provides immediate access to some articles. Volume 31(2); March 1956 Articles Effects of Boron on the Water Relations of Higher Plants PMCID: PMC540739 Studies on the Growth of Coleoptile and First Internode Sections. A New, Sensitive, Straight-Growth Test for Auxins PMCID: PMC540740 Pathways of Oxidation in Cell-Free Potato Fractions PMCID: PMC540741 The Effect of 2,4-Dichlorophenoxyacetic Acid and 2,3,5-Triiodobenzoic Acid on the Transport of Indoleacetic Acid PMCID: PMC540742 Water Absorption by Needles of Ponderosa Pine Seedlings and Its Internal Redistribution PMCID: PMC540743 Metabolic Aspects of Neurospora Activation and Germination PMCID: PMC540744 Dehydrogenase Activity of Hydroxymalonate and Related Acids in Higher Plants PMCID: PMC540745 The Reactions of the Photoinductive Dark Period PMCID: PMC540746 Induction of Flowering in Long Day Plants by Applied Indoleacetic Acid PMCID: PMC540747 Effect of Bicarbonate Ion on the Respiration of Excised Roots PMCID: PMC540748 Absorption of Ionic Species of Orthophosphate by Barley Roots: Effects of 2,4-Dinitrophenol and Oxygen Tension PMCID: PMC540749 An Auxin Inactivation System Involving Tyrosinase PMCID: PMC540751 News And Notes PMCID: PMC540753 Brief Papers: Further Studies of Some Plant Indoles and Auxins by Paper Chromatography PMCID: PMC540750 Effects of Light on the Rate of Respiration in the Stem of Pisum Sativum L PMCID: PMC540752 Journal Matter Original table of contents page Administrative content — journal masthead, notices, indexes, etc. | ||