XX11 CONTENTS. 



Physiology. 



• Nutrition and Growth. page 



Bernard, Noel — Physical Conditions of Tuberuation in Plant* 54 



Griffin, E., & R. O. Herzog — Photosynthesis 54 



Bokorny, Th. — Assimilation of Yeasts 55 



Chapin, P. — Influence of Carbonic Acid Gas on Growth 189 



Czapek, F. — Nitrogen Assimilation in Moulds 190 



Dorner, H. B. — Effect of Composition of Soil on Plants 190 



Sablon, Leclerc du — Variation in Carbohydrate Reserves in Stem and Boot of 



Woody Plants .. 191 



Macchiati, L. — Photosynthesis outside the Plant 314 



Maze, P. — Ripening of Seeds and the Power of Germination 315 



Dandeno, J. B. — Effects of Water and Aqueous Solutions on Foliage Leaves .. .. 315 



Bouilhac, R. — Formic Aldehyde as a Food-stuff for Fresh-water Algae, 316 



Laurent, Em., & Em. Marchal — Synthesis of Proteids by Plants 513 



Pollacci, G. — Assimilation in Green Plants 514 



Buscalioni, L., & G. Pollacci— Use of Collodion for Detecting Transpiration .. 514 



Amar, M. — Function of Calcium Oxalate in Plant Nutrition 515 



Tammes, Tine — Periodicity of Morphological Phenomena in Plants 515 



Chick, Harriette, & P. G. Charpentier— Nitrogenous Metabolism in Minute Algae, 623 



Andre, G. — Nutrition of Plants deprived of their Cotyledons 624 



Bibliography 624 



Lutz, L. — Alkaloids as a Source of Nitrogen 737 



Hebert, A., & G. Truffaut — Nutrition of Chrysanthemums 737 



Bernard, N. — Germination of Orchids : a Symbiotic Relationship 737 



Irritability. 



Heinricher, E. — Influence of Light on Seed- Germination 55 



Plowman, A. B. — Relations of Plant- Growth to Ionisation 56 



Eobertson, R. A. — Functional Inertia of Plant-Protoplasm 191 



Burgerstein, A. — Movement of Perianth Leaves of Tidip and Crocus 191 



Newcombe, F. C. — Thigmotropic Root- Curvatures 102 



Wiedersheim, W.— Influence of Loading on the Formation of Wood and Past 



Elements in Weeping Trees 192 



Macdougal, D. T. — Influence of Light and Darkness on Plant-life 316 



Tkayerso, G. B. — Stomata of Cotyledons 515 



Darwin, F. — Statolith Theory of Geotropism ■ 515 



Dixon, H. H. — Resistance of Seeds to High Temperatures 624 



Bibliography 624 



Jdrie, A. — Morphological Variation in Leaves of the Vine as a consequence of Graft- 

 ing 738 



Chemical Changes. 



Newton, G. R. — Enzyme in Ripening Plantains 56 



Bokokny, Th. — Yeast Ferment .. . 56 



Mcynck, A. de — Sugar in Ripe Fruits 192 



Suzuki, U. — Formation of Asparagine in Metabolism 192 



Aso, K. — Lime in Phanerogamic Parasites 192 



Suzuki, U. — Composition of Seeds of Gingko biloba 193 



Balicka-Iwanowska, Gabrielle — Decomposition and Regeneration of Albuminoids 



in Plants 317 



Chodat, R„ & A. Bach — Function of Peroxides in the Living Cell 317 



Pollacci, G. — Hydrogen and Carburetted Hydrogen formed by Plants 516 



Breal, E. — Experiments with Potatoes .. .. 516 



Verschaffelt, E. — Prussic Acid in Opening Buds of Prunus 516 



Slade, H. B. — Hydrocyanic Acid in Sorghum 517 



Kellerman, K. F. — Effects of Chemical Agents on the Starch-converting Power of 517 



Taka Diastase 517 



