contents. xxiii 



PAGE 



Winton, A. L. — Fruit of the Cocoa-nut 65 



Thiselton-Dyer, \V. T. — Carpophyll of Encephalartos 65 



Murbeck, S. — Amphicarpous Plants t 65 



Pechoutre, L. — Integument of the Ovule and Seed of Geum 66 



Rendle, A. B. — Bulbiform Seeds of Amaryllidese 66 



Schniewind-Thies, J. — Seduction in the Number of Chromosomes in the Embryo- 

 sac Mother-cell .. . 68 



Guignard, L. — Double Fertilisation in Naias 69 



Arnoldi, W. — Embryogeny of the Sequoiacex 70 



Ferguson, M. C. — Development of the Oosphere and Fertilisation in Pinus Strobus 70 



Dccamp, L. — Formation of the Ovule and Embryo-sac in the Araliacese 71 



„ ,, Embryo of Hedera 71 



Clos, D., & Mainaedi, A. — Cross-Pollination and Self -Pollination 71 



Gallardo, A. — Change of Sexuality in Plants 71 



Mendel's Laws of Hybridity 71 



Loew, E. — Cleistogamy of Stellar ia pallida 72 



Berg, E. — Biology of Ranunculus Ficaria 73 



Nicotra, L. — Origin of the Flower 19S 



Herzog, J. — Strengthening and Nourishing System in Flowers .. 198 



Klein, J. — Staminode-like Structures in Dentaria bulbifera 198 



8trasbcrger, E., & T. C. Frye — Formation of the Pollen in the Asclepiadex .. 199 



Velexovsky, M. — Abnormal Flowers of For sythia viridissima Lindl 199 



Guignard, L. — Double Fertilisation in the Solanacese and Gentianacese 199 



Correns, C. — Hybridism and Xenia 200 



Webber. H. J. — Spermatogenesis and Fecundation of Zamia 201 



Bessey, C. E. — Morphology of the Pine-Cone 318 



Coker, W. C. — Gametophytes and Embryo of Podocarpus 319 



Worsdell, \V. C. — Vascular Structure of the Flowers of Gnetacese 320 



Martel, E. — Anatomy and Morphology of the Floiver of Cniciferse, &c 320 



Gager, C. S. — Development of Poliinium and Sperm-Cells in Asclepias Cornuti .. 320 



Tscherhak, E. — Influence of Pollination on the Development of the Pericarp .. .. 321 



Mitlacher, W. — Microscopic Characters of the Fruit- Envelopes in the Acorn . . . . 321 



Guerin, P. — Development of the Seed in Sapindacete 321 



Heckel, E. — Germination of Onguehoa and Strombosia 322 



Harshberger, J. W. — Cockscomb Fasciation of Pine-Apples 322 



Wieland, G. R. — Notes on Living Cycads : The Zamias of Florida 448 



Rosenberg, O. — Development of Pollen in Zostera HO 



„ „ Embryology of Zostera marina 449 



Cook, M. T. — Development of Embryo-sac and Embryo in Castalia and Nymphxa .. 449 



Ducajip, L. — Embryogeny of Araliacex, 450 



Overton, J. B. — Parthenogenesis in Thalictrum purpurascens 451 



Shoemaker, D. N. — Development of Hamamelis virginiana 570 



Johnson, S. — Development of the Embryo-Sac in Piper and Heclceria 570 



Hall, J. G. — Embryology of Limnocharis 570 



Villari, E. — Structure of Achenes 571 



Johnson, D. S. — Germination in Piper acese 571 



Harshberger, J. W. — Germination of ' Steds of Carapa guianeiisis 572 



Cook, M. T. — Polyembryony in Gingho 6G1 



Gardiner, W., & A. W. Hill — Histology of the Endosperm 661 



Lloyd, F. E. — Comparative Embryology of the Rubiacae 662 



Pechoctre, F. — Development of Ovule and Seed in Rosacese 664 



Tieghem, Ph. Van — Existence of a Hypostase in the Ovule and Seed of Rosacea: .. 6C6 



Webb, J. E. — Development of Flower and Embryo of Spiraea 667 



Physiology. 



Nutrition and Growth. 



Meehan, T. — Bending of Mature Wood in Trees 66 



Baranetzky, J. — Causes of the Direction of Branches 66 



Macchiati, L.— Chlorophyll Assimilation 72 



Pethybridge, G. H. — Action of Inorqanic Salts on the Structure and Development 

 of Plants ' 



