CONTENTS. XXVll 



PAGE 



Jarius — Action of Saline Solutions on Germination Part 4 650 



ScHAK, E. — Action of Hydrocyanic Acid on Seeds ,, 650 



ScHDLZE, B., & E. Flechsig — Formation of Amides during the germina- 



tiun of seeds in the dark „ 651 



Reinke, J. — Absorption of Light hy the Assimilating Organs „ 651 



BoNNiEE, G. — Development and Absorption of Heat hy Plants .. .. ,, 651 



Penhallow, D. p. — Movements of the Tendrils of Cucwbita . . . . „ 652 



Erkeba, L. — Ascent of Sap „ 653 



Penhallow, D. P. — Variation of Water in Trees and Shrubs .. .. „ 653 



Capus, G. — 3fig ration of Nitrates in Plant Tissues „ 653 



Griffiths, A. B. — Action of SalicnUc Acid on Ferments „ 65i 



LEH3IANN, V. — Behaviour of Guanin, Xanthin, and Hypoxanthin in the 



Fermentation of Yeast „ 654 



MuLLER, Fritz — Cross-fertilization of Plants hy Birds Part 5 825 



Pringsheim, N. — Evolution of Oxygen from Plants in the Microspectrum „ 825 



MoLlSCH, H. — Causes of the Fall of the Leaf „ 826 



Pavani, E. — Transpiration of Plants „ 826 



Krecter, F. — Causes of Torsion „ 826 



WoRTMANN, J. — Causes of Twining „ 827 



Kraus, G. — Metastasis in the Crassulaceai „ 827 



GuiGNARD, L. — Embryogeny of the Santalaceas Part 6 1014 



Jordan, K. F. — Position of the Nectaries in 7-elation to Fertilization . . „ 1014 



Timiriazeff, C. — Functions of Chlorophyll „ 1015 



DiNGLER, H. — Apical growth of Gymnosperms „ 1015 



Muller-Thurgau, H. — Pesting-periods of Plants „ 1015 



Schroder, G. — Pesistance of Plants to Drying „ 1016 



Bonnier, G., & L. Mangin — Respiration of Plants „ 1016 



GoDLEWSKi, E. — Circulation of the Sap „ 1016 



SoHEiT, M. — Movement of Water in Wood „ 1017 



Darwin, F., & R. W. Phillips — Transpiration-stream in cut branches „ 1017 



Brtjnner, H., & E. Chuard — Phytochemical Studies „ 1018 



Bonnier, G., & L. Mangin — Action of Chlorophyll separated from 



respiration „ 1018 



Elfving, F. — Influence of Ether and Chloroform on Plants „ 1018 



MiJNTZ, A. — Chemistry of the ripening of Seeds „ 1019 



Fankhauser, J. — What is Diastase'? „ 1019 



Muller-Thurgau, H. — Action of Diastase and Invertin „ 1019 



\is^s'&{^.B..')' Vegetable Physiology' , 1020 



B. — Crtptogamia. 



M'Nab, W. R. — Apospory in the Thallophyta Part 4 655 



Schneider, A. — Underground Algas and Fungi Part 5 828 



Cryptogamia Vascularia. 



Campbell, D. H. — Development of the ProthalUa of Ferns Parti 106 



Leitgeb, H. — Budding on Apogamous ProthalUa of Ferns ,, 107 



KiDSTON, R. — Carboniferous Lycopods ,, 107 



Belajeff, W. — Antheridia and Antherozoids of the Heterosporous Lyco- 



podiacex (^Selaginellacex) Part 2 286 



Stahl, E. — Influence of the Direction of the Light on the Division of the 



Spores of Equisetum „ 287 



