CONTENTS. ' XXi 



BOTANY. 



A.— General, including the Anatomy and Physiology of the Phanerogamia. 



a. Anatomy. 

 (1) Cell-structure and Protoplasm. 



PAGE 



ScHNETZLER, J. B. — Movement of Rotation of Vegetable Protoplasm .. .. Part 1 78 



Clark, J. — Protoplasmic Movements 78 



Ambronn, H. — Optical Properties of the Cuticle and of Suberized Membranes „ 78 



Degagnt, C. — Nuclear Origin of Protoplasm Part 2 239 



Sauvageau, C. — Intercellular Protoplasm ,, 239 



ScHNETZLER, J. B. — Rotation of Protoplasm, Part 3 402 



Kohl, F. G. — G rowth of Albuminous Composition of Cell-walls „ 402 



Wakker, J. H — Contents of the Cell ,, 402 



Steinbrinck, 0. — Connection of the Direction of Hygroscopic Tensions with 



the Structure of the Cell-wall „ 403 



Stbasburger, E. — Growth of the Cell-wall Part 4 538 



Mangin, L. — Structure of the Cell-wall „ 538 



Vries, H. DE — Permeability of Protoplasm for Urea „ 539 



Kruticky & BiELKOWSKT — Diosmose through the Cellidose-pelUcle of 



Phragmites communis ,, 539 



Pfeffeb, W. — Reduction of Silver in the living-cell „ 539 



Zacharias, E. — Formation and Growth of the Cell-wall Part 5 653 



Noll, F. — Structure of the Cell Part 6 772 



Koeppen, 0. W. — Nucleus in Dormant Seeds „ 772 



GxJiGNARD, L. — Polkn of the Cycadese, , ,, 772 



(2) Other Cell-contents (including- Secretions). 



Meyer, A. — Structure of Chlorophyll-grains Parti 78 



MoOEB, S. Le M. — Photolysis in Lemna trisulca „ 79 



SCHUNCK, E. — Chemistry of Chlorophyll „ 79 



COTJECHET, L. — Chromoleuoites , „ 79 



Sewell, P. — Colouring-matter of Leaves and Flowers j, 80 



Leitgeb, H.— SjoAieniSes „ 81 



Weehinsk.1, F. — Aleurone-grains „ 81 



Leitgeb, H. — -Asparagin and Tyrosin in Tubers of the Dahlia „ 81 



TiEGHEM, P. Van — ffydroleucites and Grains of Aleurone Part 2 239 



Macchiati, L. — XantkophyUidrine ^, 240 



Tatjeet, C. — New Principle from Ergot of Eye, Ergosterin ,, 240 



Kennie, E. H. — Colouring Matter of Drosera Whittakeri , 240 



Briosi, G. — Mineral Substances in Leaves 240 



MiJLLEE, N. J. C. — Spectruui-analysis of the Colours of Flowers Part 3 403 



MOLISCH, H. — Change in Colour of Leaves containing Anthocyan „ 404 



Kleecker, J. E. F. AF — Tannin-vacuoles 404 



Hkckel, B. — Cystoliths in Exostemma ,, 405 



Baebaglia, G. A. — Oil of Bay-leaves „ 405 



ScHUNCK, E. — Chemistry of Chlorophyll Part 4 539 



MOLISCH, H. — Formation of Chlorophyll by Coniferm in the dark „ 641 



HoE-M, J.— Formation of Starch in the Leaves of Sedum spectabile .. ., „ 541 



Moellee, H. — Mode of occurrence of Tannin in Plants ,, 541 



Hansen, A. — Pure Chlorophyll Part 5 653 



Keatjs, G., & M. Westermaier — Physiology of Tannin „ 654 



Kohl, F. G. — Formation of Calcium oxalate in Plants „ 655 



Monteverde, N. A. — Lrifluence of Light on the formation of Calcium oxalate „ 655 



Almquist, S. — Production of LLoney in Convallaria „ 655 



