CONTENTS. XXV 



PAQB 



Foerste, A. G. — Cross-fertilization Part 6 993 



Ridley, H. N. — Self-fertilization and Cleistogamy in Orchids „ 994 



Magnus, P. — Self-pollination of Spergularia sal ina „ 994 



Yeitch, H. J. — Fertilization of Cattleya labiata .. .. , „ 994 



(2) Nutrition and Growth (including- Movements of Fluids). 



Mapsee, G. — Groicth and Origin of Multicellular Plants Parti 83 



Dufotjr, L. — Influence of Light on the Form and Structure of Leaves .. ,, 84 

 Dangeard, P. A. — Importance of the Mode of Nutrition as a means of 



Distinction betiveen Animals and Vegetables Part 2 257 



Uhlitzsch, P. G. — Growth of the Leaf-stalk „ 258 



Bower, F. O. — Modes of Climbing in the Genus Calamus „ 258 



Kreesler, U. — Assimilation and Respiration of Plants „ 258 



Wiesner, J. — Influence of Atmospheric Movement on Transpiration .. .. „ 259 



BergersteiN, A. — Literature of Transpiration „ 259 



Detmer, W. — Physiological Oxidation in the Protoplasm Part 3 -J 54 



Hcefpe, F. — Assimilation in Plants destitute of Chlorophyll „ 455 



Chrapowitzki — Synthesis of Albuminoids , 455 



Eodewald, H. — Relation between the Heat and the Carbonic Acid given off 



by Plants in Respiration „ 455 



Sonntag, P. — Duration of the Apical Growth of the Leaf „ 455 



Noll, F. — Influence of External Forces on the Form of Plants „ 456 



Henslow, G. — Transpiration as a Function of Living Protoplasm .. .. „ 456 



Arcangeli, G. — Influence of Light on the Growth of Leaves Part 4 614 



Liebscher, G. — Supply of Food Constituents at Different Periods of the 



Growth of Plants ,, 614 



Kreusler, U. — Assimilation and Expiration of Plants Part 5 768 



Hildebkand, F. — Production of Vegetative from Fertile Shoots of 



(ipnntia „ 76S 



Hunger, E. H. — Viviparous Plants and Apogamy „ 768 



Wjeler, A. — Conduction of Sap through the Secondary Wood „ 768 



Balland — Development of Wheat „ 769 



Clarke, C. B. — Root pressure „ 769 



Elving, F. — Curvature of Plants „ 769 



Griffiths, A. B., & Mrs. Griffiths — Influence of certain Rays of the 



Solar Spectrum on Root-absorption and on the Growth of Plants . . „ 760 



Helriegel, & Willfarth — Absorption of Nitrogen by Plants „ 770 



Menze, O. — Daily Assimilation of Carbohydrates Part 6 994 



Devaux — Action of Light on Roots grown in Water „ 995 



Vochting, H. — Influence of Radiant Beat on the Development of the Flower „ 995 



(3) Irritability- 



Wortmann, J. — Movements of Irritation Part 2 259 



Meehan, T. — Irritability of the Stamens of Echinocactus ,, 261 



Gardiner, W. — Contractility of the Protoplasm of certain Cells Part 3 457 



Vines, S. H. — Movonent of Leaf of Mimosa pudica „ 457 



Saposhnikoff, W. — Geotropism „ 458 



Gardiner, W. — Power of Contractility exhibited by the Protoplasm of certain 



Cells Pari 4 614 



Wortjiann, J. — Movements of Irritation of Multicellular Organs .. .. „ 615 



Godlewski, E. — Irritability of Growing Parts of Plants „ 615 



Oliver, F. W. — Sensitive Labellum of Masdevallia muscosa „ 616 



Bateson, A., & F. Darwin — Method of Studying Geotropism Part 5 770 



