CONTENTS. Xl’x 
PAGE 
Sablon, Leclerc du — Dextrin as a Reserve-substance 405 
Reinke, J., & E. Braunmuller — Aldehyd in Green Leaves 499 
Moeller, J . — Origin of Storax 499 
Newcombe, F. C . — Cellulose Enzymes 500 
Schunck, C. A. — Yellow Colouring-Matters which accompany Chlorophyll .. .. 611 
Hansen, A . — Proteolytic Enzyme of Nepenthes 612 
Buscalioni, L . — Encapsuling of Starch-Grains 612 
Ward, H. M., & E. Dale — Craterostigma pumilum 612 
Schulze, E. — Cane-sugar in Plants 612 
Heckel, E . — Copper in Plants 612 
(3) Structure of Tissues- 
Hof, A. C . — Histology of the Growing Point 45 
Mass art, J. — Healing-Tissue in Plants 45 
Kruch, 0 . — Mucilaginous Epiderm of Leaves 46 
Deiniga, Y . — Development of the Leaf and Origin of the Foliar Vascular Bundle . . 46 
Fron, G . — Stem of the Beet 46 
Peter, A . — Stem of Scorzonera 47 
Rosenberg, O . — Conversion of Cellulose into Mucilage 47 
Mer, E . — Transformation of Alburnum into Duramen in the Oak 170 
G relot, P . — Floral Fibrovascular System of the Bicarpellary Gamopetalse .. .. 170 
Nathansohn. A . — Growth of Tracheal Elements 171 
Schwabach, E . — Bursting of the Mechanical Ring in Climbing Plants 171 
Wieler, A . — Pneumathodes and Aerenchyme 171 
Fuchs, P. C. A. — Raphid-Cells 171 
Rothert, W . — Structure of the Wall of Vessels 292 
Eberhardt — Modifications of the Primary Cortex in Dicotyledons 293 
Queva, C . — Secondary Increase in the Primary Vascular Bundles of Monocotyledons 293 
Decrock, E . — Placental Fibrovascular Bundles of Primula 293 
Colozza, A . — Structure of the Alstrcemerieae 294 
Caldwell, O. W . — Structure of Lemna minor 294 
Burgerstein, A. — Wood of Pomese 405 
Baranetzky, J. — “ Bicollateral ” Vascular Bundles 406 
Tubeuf, C. von — Lenticels 406 
Haberlandt, G . — Glands of Rutaceae 406 
Houlbert, C . — Phylogeny of TJlmacese 406 
Gravis, A . — Anatomy of Tradescantia . . . 406 
Steinbrinck, C . — Elastic Swelling of Tissues 500 
„ „ Physics of Cohesion- Mechanism 500 
Hunger, F. W. T . — Mucilage as a Gliding -mechanism 501 
Tschirch, A . — Conducting Tissue of Vanilla Fruit 501 
Nordhausen — Growth of the Thickening- Ring in Dicotyledons 612 
Kraus, G . — Increase in Thickness of Palm-stems 613 
Micheels, H. — Gum-canals of Carludovica 613 
Harshberger, J. W. — Water Storage in Senecio prsecox .. .. 613 
Tison, A . — Fall of the Leaf and Cicatrisation of the Wound 613 
Fron, G . ; — Anatomy of the Root and Stem of Chenopodiacese 614 
Fouilloy, E . — Fall of the Leaves of Monocotyledons 614 
Molliard, M . — Gall of Aulax Papaveris 614 
(4) Structure of Organs. 
Zwinger, N . — Female Flower and Inflorescence of Cannabineas 47 
Guignard, L . — Formation of the Pollen in Magnolia 48 
Capeder, E . — Anatomy of Orchidese 48 
Schmid, B . — Structure and Function of Awns 48 
Malme, J. O. A. Dimorphism in Curtia 48 
Nilsson, N. H. — Bog-Plants 48 
Schroter, C - — Poly morphy of the Spruce Fir 49 
Fron, G . — Spiral Structure of the Roots of Chenopodiacex 49 
Hill, T. G . — Roots of Bignonia 49 
Wettstein, R. v . — Protection of Geophilous Flowers 172 
b 2 
