CONTENTS. XXI 

 Reproductive. 



PAGE 



Hemsley, W. B. — Germination of Davidia 71 



Akber, E. A. N. — Synanthy in Lonicera 72 



Daniel, L. — New Graft-Hybrid 73 



Bibliography 73 



Murbeck — Development of Gametophyte and Embryo of Buppia rostellata .. . . 1 93 



Laurent, M. — Embryology of J uncacex 194 



Bibliography 194 



Wylie, R. B. — Morphology of Elodea canadensis 318 



Richer, P. P. — Pollination of Buckwheat 319 



Britton, C. E. — Variation in the Violet Flower 540 



Jancewski, Ed. de — Sexuality in the Genus Ribes 541 



Smith, Isabel S. — Nutrition of the Egg in Zamia 541 



Opperman, Marie — Embryo-sac and Fertilisation in Aster 541 



York, H. H. — Embryo-sac and Embryology of Nelumbo 542 



Schaffner, J.IH. — Jacket Layer in Sassafras 543 



Bibliography 543 



Stopes, Marie C. — Ovule and Seed of Cycadex 665 



Kidston, R. — Fructification of Neuropter is Heterophyll'a 166 



Lawson, A. A. — Gametophyte and Embryology of Cryptomeria Japonica .. .. 666 



Shaw, C. H. — Gametophyte and Development of the Seed-coats in some Papaveracese 667 



Physiology. 

 Nutrition and Growth. 



Bokorny, T., & L. Macchiati— Photosynthesis 73 



Laurent, E., & E. Marchal — Synthesis of Proteids 74 



Wilfarth, H., & G. Wimmer — Deficiency of Nitrogen, Phosphoric Acid, and Potas- 

 sium in Plant- Growth 74 



Laurent, E. — Influence of Mineral Food on Sex in Dioecious Plants 74 



Molliard, M., & H. Coupin — Influence of Potassium on the Morphology of Sterig- 



matocystis nigra 194 



Tondera, F. — Function of the Starch-sheath 195 



Hebert, A., & E. Charabot — Influence of the Nature of the Soil on the Organic 



Composition of Plants 195 



Reinke, J. — Nitrogen-assimilation of Fresh-water Algee 319 



Kostytschew, S. — Respiration of Filamentous Fungi ,. 425 



Hebert, A., & G. Truffaut— Influence of External Media on Mineral Constituents 



and Organic Composition of Plants 425 



Cordemoy, H. J. de — Mycorhiza of Vanilla 425 



Becquerel, P. — Resistance of Certain Seeds to the Action of Absolute Alcohol .. 426 



,, „ Permeability to Gases of Certain Dried Seeds 426 



Bibliography 426 



Ternetz, Charlotte— Assimilation of Atmospheric Nitrogen 543 



Godlewski, E. — Intramolecular Respiration 544 



Kastle, J. H., & E. Elvove— Sources of Nitrogen to Fungi 667 



Burgerstein, A. — Transpiration 668 



Baccarini, P. — Accumulation of Water in the Leaf-sheath of Musa Ensete .. .. 668 



Irritability. 



Weis, Fr. — Relation between Light Intensity and Energy of Assimilation in Plants 



■belonging to different Biologic Types 195 



Edelstein, W. — Hydathodes in the Leaves of Woody Plants 19(5 



Newcombe, F. C, & A. L. Rhodes— Chemotropism of Roots 319 



Watterson, Ada — Effect of Chemical Irritation on Respiration of Fungi .. .. 544 



Darwin, F.— Perception of the Force of Gravity by Plants 545 



Bennett, Mary E. — Aerotropism in Roots 546 



Kanda Masayasu— Stimulating Action of some Metallic Salts on the Growth of the 



Higher Plants 546 



