XXIV CONTENTS. 



pack 



Lang, F. X. — Polypompholyx and Byblis 552 



Weberbaueb, A. — Fruit of the Scrophulariacese 661 



Billings, F. H. — Structure of Seeds 661 



Peirce, G. J. — Suckers of Sequoia sempervirens 661 



Schwendeneb, S., & H. Winkles — Theory of Phyllotaxis 662 



liiNZi:, G. — Unfolding of Leaves 662 



<;< iebel, K.—" Fore-runner Point" of Leaves 662 



Meyer, W. — Anatomy of Caryophyllacese and Primulacefe 662 



0. Physiolog-y- 

 (.1) Reproduction and Embryology. 



Dangeard, P. A. — Sexual Reproduction 56 



Strasburger, E. — Double Impregnation in Angiosperms 57 



Thomas, Ethel N. — Double Impregnation in Caltha 57 



Arnoldi, W. — Archegones and, Pollen-tubes of Sequoia 57 



Burgagli, Marchese, & G. W. Okd — Cross-Pollination and Self -Pollination .. 58 



Werth, E. — Or nithophilous Flowers 58 



Sablon, Leclebc du — Cleistogamous Flowers 58 



Hildebrand, F. — Hybridisation of Hepatica .. .. 59 



Tieghem, Ph. van — Female Prothallium of the Stigmatx 173 



Land, W. J. G. — Double Fertilisation in Composite 173 



Brunotte, 0. — Embryogeny of Impatiens and Tropxolum 174 



Burns, G. P. — Fertilisation of Stylidiacese 174 



Lotsy, J. P. — Embryology and Fertilisation of Rhopalocnemis 174 



Chodat, R., & C. Bernard — Embryo-sac of Helosis 175 



(Jelakovsky. L. J. — Multiplication of the Sporanges in Salisburia 175 



Strasburger, S. — Distribution of the Sexes in Dioecious Plants 176 



ROSSLER, W. — Cleistogamous Floicers 176 



(Jorrens, 0. — Influence of the Number of Pollen-grains on Fertilisation 176 



Macchiati, L., & others — Cross-Pollination and Self-PoUination .. .. ■■ 177 



Vries, Hugo de — Unequal Results of Hybridisation 177 



Ernst, A. — Polyembryony 298 



Juel, H. O. — Formation of Tetrads 299 



Murrill, W. A. — Development of the Archegone and Impregnation in Tsuga 



canadensis 299 



Ernst, A. — Embryo-sac and Embryo of Tulipa .. .. 300 



Sajo, K. — Crossing of Varieties 300 



Johow, F. — Ornithophilous Flowers .. .. 301 



Fritsch, K. — Gynodicecism of Myosotis palustris 301 



Garjeanne, A. J. M. — Proterogyny of Lychnis flos-cuculi HOI 



Sarg ant, Ethel — Impregnation in Angiosperms 301 



Pirotta, R., & B. Longo — Basigamy, Acrogamy, a7id Mesogamy 431 



Jiel, H. O. — Parthenogenesis in Antennaria alpina 431 



Murbeoe, Sv. — Parthenogenesis and Chalazogamy in Alchemilla 432 



Tischler, G. — Development of the Endosperm and Testa of Corydalis 432 



Longo, B. — Impregnation in Cucurbita Pepo 433 



Dumee, P. — Embryo-sac of Orchidese 433 



Cavaua, F. — Oogenesis in Abies pectinata 434 



Cokes, W. C. — Gametophyte and Embryo of Taxodium .. .. 434 



Werth, E., & F. Daul— Visits of Birds to Flowers 435 



Burck, W. — Protection against the Germination of Foreign Pollen 435 



Kobnioke, M. — Division of Embryo-sac Mother-cells 553 



Campbell, D. H. — Embryo-sac of Peperomia 553 



Taliew, W., & others— Cross-Pollination and SelJ '-Pollination 554 



Marloth, R. — Ornithophilous Plants 555 



Tschermak, E. — Hybridisation of Peas and Beans 555 



Klebs, G. — Physiology of Reproduction 555 



Gdignabd, L. — Double Fertilisation in Maize 662 



Lyon, H. L. — Embryology of Nelumbium 663 



Dunn. Louise B. — Embryo-sac of Delphinium ^o 



Hewins, Nellie P. — Embryology of the Caprifoliaceas <',63 



