CONTENTS. XXV 



Chemical Changes. 



PAGE 



Zaleski, \V. — Formation of Proteids 74 



Ahrens, F. B. — Fermentation without Cells 75 



Buscalioni, L., & G. Pollacci — New Mode of Measuring Transpiration .. .. 75 



Newton, C. R. — Oxidising Enzymes 205 



Vines — The Proteolytic Enzyme of Nepenthes 205 



Timberlake, H. G. — Starch-formation in Hydrodictyon utncnlatum 205 



Maze, M. P. — On the Transformation of Fatty Matters into Sugars in Oily Grains 



during Germination 206 



Schunck — Contributio7is to the Chemist ry of Chlorophyll 20$ 



Brown, A. J., & others — Enzyme Action 325 



Vines, S. H. — Tryptophane in Proteolysis 325 



Bourquelot, E. — Cane-Sugar in the Reserve Food-Stuffs of Phanerogams .. .. 326 



Grus, J. — Conversion of Carbohydrate iii the Germination of the Date 326 



Kastle, J. H.. & others — Reaction and Nature of Oxidising Ferments .. .. 455 



Emmerlixg, 0. — Action of Sunlight on Enzymes 456 



Andre, G. — Transformation of Proteids during Germination 456 



Nedokutschaeff, N. K. — Changes in Nitrogenous Substances in Ripening of Cereals 456 



Otto, R. — Changes during Ripening of Apples 457 



Iwanoff, K. S. — Composition of Proteids and Cell-Membranes in Bacteria and 



Fungi 457 



Czapek, F. — Proteid Formation in Plants 457 



Kirkwood, J. E., & W. J. Gies — Chemical Studies of the Coco-nut 575 



Jayillier, M. — Investigation and Presence of Rennet-ferment in Plants 575 



Baker, J. L. — Action of linger minated Barley Diastase on Starch 576 



Woods, A. F. — Mosaic Disease of Tobacco 576 



Mourell, R. S., & J. S. Ckofts — Action of Hydrogen Peroxide on Carbohydrates 



in Presence of Ferrous Sulphate 576 



Mann, H. H. — Enzymes of the Tea-leaf 670 



General. 



Harshberger. J. W. — Limits of Variation in Plants 75> 



Korschinsky, S. — Heterogenesis and I Evolution 75 



Vogel, P. — Means of Distribution of Alpine Plants 76 



Beauverie, J. — Influence of Osmotic Pressure on the Form and Structure of Plants 76 



Ward, H. Marshall — Disease in Plants 76 



Carrtthers, W. — On the Lite and Work of Nehemiah Grew .. .. 129 



Jaccard. P. — Distribution of Plants in the Alps and Jura Mountains 206 



Shull, G. H. — Quantitative Study of Variation in the Bracts, Rays, and Dish-florets 



of Species of Aster 326 



Giard, A. — Passage from a Bisexual to a Unisexual Condition by Unilateral Para- 

 sitic Castration 326 



Boulay, N. — Topographical Botany 327 



Gibbs, R. E. — Phy'llospadix as a Beach-Builder 327 



Lovell, J. H. — Colours of Northern Polypetalous Flotcers 457 



Griffiths, D. — Anchoring of Plantain Seed 458 



Warming, Eug. — Burmanniacens from Brazil 458 



Engler, A. — Vegetation of the Mountainous Districts North of Lake Nyasa . . .. 458 



Warburg, O. — History and Development of Applied Botany 458 



HxssGiRG—Phyllobiologic Types in some Orders of Seed-Plants 576 



Zodda, G. — Study of the Genus Serapias 577 



Stenzel, Gustay — Malformations of the Flower of Orchids 577 



Holm, Theo. — North American Carices 577 



E.ngelhardt, H.— Tertiary Plants from the Himmelsberg 577 



Rodway, L. — Botany of Tasmania 577 



Harshberger, J. W. — Oncological Sketch of the Flora of Santo Domingo .. .. 57S 



Bennett, A. — Liparis Loeselii and Teucrium Scordium 670 



Nicholson. W. A. — Variations in Perianth of Ranunculus Ficaria 670 



Pantanelli, E. — Albinism in Plants 670 



Plowright, C. B. — British Dye-plants 671 



Fernald, M. L.— Relationship of American and Old World Birches 67) 



