XXVI CONTENTS. 



PACE 



Rifley, G. E. — Absorption of Water ly Decorticated Stems Si 



Hochkeutineb, G. — Distribution of Aquatic Plants S5 



Tucker, G. M., & B. Tollens — Migration of Food-materials in the Leaves .. .. 220 

 Griffon, E. — Chlorophyll- Assimilation in Solar Light which has passed through 



Leaves 220 



Shibata, K., & others — Assimilation and Transpiration in Japanese Plants .. 220 



Muller-Thfrgau, H. — Influence of Nitrogen on the Growth of Boots 220 



Ward, H. Marshall — Symbiosis 221 



Nabokich, A. — Function of Aerial Roots 221 



Vochting, H. — Physiology of Tuberous Structures 221 



Ltjdwig. F. — Biology of Ilelleborus fcetidus 222 



Kinzel, W. — Lnfluence of Moisture ou Germination 222 



Candolle, Casimir De — Resistance of Seeds to Mercury 222 



Hiltner, L. — Assimilation of Free Atmospheric Nitrogen by Aerial Parts of Plants 352 



Schloesing, Th., jl"n. — Absorption of Potassium by Plants 352 



Daniel, L. — Variation produced by Grafting 352 



Deherain, P. P., & E. Desjogssy — Culture of the Lupin 352 



Teodoresco, E. C. — Influence of Carbon dioxide on the Growth of Plants .. .. 353 



Popovici, A. P. — Influence of External Conditions on Length of Growing Zone .. 353 



Heinricher, E. — Action of Light on the Germination of Seeds 353 



Kinzel, W. — Germination of Cuscuta 353 



Heckel, E. — Germination of Ximenia americana 354 



Nestler, A. — Excretion of Water by Leaves 3o4 



Steinbrinck, C. — Expulsion of Air from Detached Parts of Plants 3c4 



Loew, O. — Physiological Action of Mineral Nutrient Substances 485 



Schaible, F. — Effects of Diminished Pressure on the Growth of Plants 485 



"Wiesnee, J. — Relation of Arctic Plants to Light 485 



Maige, A. — Biology of Creeping Plants 486 



Czapek, F. — Carbon-dioxide Assimilation and Chlorophyll 486 



Chgard, E., & F. Porchet — Influence of Copper Salts on Plants 486 



Nobbe, F., & L. Hiltner — Action oj Leguminous Root-nodides in Water Cultures 486 



Kosenberg, O. — Transpiration from Leaves which live more than one year .. .. 486 



Btjrgenstein, A. — Formation of Chlorophyll in the Seedlings of Gymuosperms .. 606 



Pollacci — Chlorophyll Assimilation 606 



Laurent,E. — Grajting the Potato on the Potato 607 



Heinricher, E. — Green Hemi-Paraxites 607 



Bernard, N. — Germination of Or chidese, 607 



Jennings, A. V., & H. Hann a — Corallorhiza and its Mycorhiza 607 



Nestler, A. — Excretion of Water from Leaves 607 



Pollacci, G. — Chlorophyll Assimilation 693 



Friedel, J. — Effect of increased Pressure on Chlorophyll Assimilation 693 



Eberhardt — Influence of Dry and Moist Air on Plants 693 



Daniel, L. — Limits of Grafting 693 



Blodgett, F. H. — Vegetative Propagation of Erythronium 694 



Maze, P. — Influence of Oxygen on Germination •• •• 694 



Lovinson, O.— Influence of Salts of the Fatty Acids on Germination and Growth .. 094 

 Cotjpin, H.— Poisonous Effects of Salts of the Alkalies and Alkaline Earths on the 



Higher Plants 691- 



Kosaroff, P. — Action of Carbon dioxide on the Movements of Water in Plants . . 695 



Giltay, E. — Transpiration in the Tropics and in Central Europe 695 



Mivoshi, M. — Bleeding of Cornus macrophylla 695 



C3) Irritability. 



Lidforss, B. — Chemotropism of the Pollen-tube • • 222 



Darwin, F., & D. F. M. Pertz— Localisation of the Sensitive Region in Geotropism 222 



Borzi, A. — Motile Apparatus of Mimosa 223 



Fritzsche, C— Influence of Various Factors on Circumnutaiion 354 



Nemec, B. — Conduction of Irritation in Plants 487 



Stone, G. E. — Geotropic Curvatures 487 



Pertz, D. F. M., & F. Darwin — Periodic Movements of Plants 487 



Kohl, F. G. — Paratonic Growth-curvatures in" Hinge-plants" 4S7 



