XXIV CONTENTS. 



I'AGb 



MlYAEE, K. — Gametophytes and Embryogeny in Cunninghamia 481 



Hannig. E. — Significance of the Periplasmodium 481 



Hague, S. M.— Morphology of Diospyros .. .. 610 



Hillmann, A. — " Hypanth" of the Rosacea 640 



Dessiatoff, N. — Embryo-sac of Euphorbia 641 



Sorensen, W. — Fruit of Geraniaceas 641 



Nicoloff, Th. — Ovule and Embryo-sac of the Platanaceee 775 



Physiology. 



Nutrition and Growth. 



Zacu., Franz — Occurrence of Phagocytosis in the Boot-nodules of Cycads 60 



Jacobi. Helene — Effect of Injury to the Cotyledons upon Seedling Development . . 60 



Colin - , H., & I. de Rufz Lavison — Absorption by Plants of Alkaline Earth Salts.. 218 

 Atkins, W. R. Gelston — Cryscopic Determination of Osmotic Pressure in certain 



Plant-organs 219 



Doposcheg-Uhlar, J. — Begeneration and Polarity of Plant-organs 219 



Deleano, N. T. — Bemoval of Starch through the Petiole 873 



Lavison. J. de Rufz de — Mineral Nutrition of Vascular Plants 482 



Overton, J. B. — Living Cells in Belation to Transpiration and Sap-flow .. .. -1 82 



Schreiner, 0., & M. X. Sullivan — Reduction by Boots 483 



Gerber, M. — Latex Diastases of Broussoneti a 483 



Molisch, H. — Liberation of Iron by Green Water-plants 4S4 



Schroeder, H. — Permeability of the Sheath in Wheat-grains 642 



Fernbach, A., & M. Schoen — Action of Proteolytic Diastases 642 



Combes, R. — Opinions upon Physiology of Leaf -fall 776 



Dangeard, P. A. — Complementary Chromatic Adaptation in Plants 776 



Irritability. 



Pennington, L. H. — Effect of Longitudinal Compression upon the Production of 



Mechanical Tissue in Stems 373 



Woycicki, Z.^— Mechanism of Movement in Graminex 374 



Pougnet, J. — Action of Ultra-violet Bays upon Green Vanilla-pods .. 484 



Beauverie, J. — (Osmotic Pressure, and the Form and Structure of Plants . . .. 484 



Hempel, J. — Effect of Etherization 071 Metabolism ... .. 776 



General. 



Dixon, H. H. — Edward Perceval Wright 61 



Bkown, H. B. — Crataegus: Some Theories concerning the Origin of its Species .. 220 



Wester, P. G. — Pollination Experiments with Anonas in South Florida .. . . 874 



Bibliography 375 



Becquerel, P. — Traumatism in Belation to Netv Plant-forms 485 



Dubard, M. — Remarks on Strephonema 485 



Fitting, H. — Premature Fall of the Perianth 485 



CRYPTOGAMS. 



Pteridophyta. 



Scott, D. H. — Studies in Fossil Ferns 61 



Bertrand, T.— Zygopterideie 61 



Bertkand, P.— Stipes of the Fossil Asterochlsona 61 



Zalesski, M. — Lepidostrobus Bertrandi 62 



Gordon, W. T. — Lepidophloios Scottii 62 



Horwood, A. R. — Catamites compared with Equisetum 62 



Hollow ay, J. E. — Anatomy of Nero Zealand Lycopodiacese 62 



