XXII 
CONTENTS. 
PAGE 
Chatin, A. — Variety and Localization of Organs as Evidence of Gradation .. .. 471 
Schenck, H. — Young Form of Gymnosperms .. .. 471 
Golenkin, M . — Inflorescence of Urticacex and Moraceie 472 
Klein, J. — Structure of the Flower of Cruciferse 472 
Schumann, K . — Development of the Flowers of Crocus 472 
Celakovsky, L . — Cladodes of the Asparagex 472 
Meissner, R. — Size of the Leaves of Conifers 472 
Tonkoff, W. — Swellings on the Leaf-stallc of Atragene 473 
Meinecke, E. P .—Aerial Roots of Orchidex 473 
Tieghem, P. Van — Root of Parasitic Lorantliacese 473 
Cayara, F. — Male Flowers of the Box 587 
Muller, Luise— Anatomy of Petals 587 
Raciborski, M. — Morphology of the Cabombacex and Nymphxacex 588 
Schmid, R. — Embryo of Phanerogams 588 
Zabriskie, J. L . — Endosperm of Phytelephas and Smilacina 588 
Went, F. A. F. C. — Aerial Roots of Epiphytes 588 
Joly, J. — Bright Colour of Alpine Flowers 705 
Groom, P. — Extra-floral Nectaries of Aleurites 705 
Henslow, G. — Self -adaptation of Plants to their Environment 705 
Jungner, J. R. — Adaptation of Fruits to Climate 706 
Osenbrug — Rumination of the Seeds of Areca Catechu 706 
Weisse, A. — Mechanical Theory of Pliyllotaxis 706 
Celakovsky, L. J . — Double Leaves of the Honeysuckle 706 
Bolley, H. L. — Root-tubercles of Leguminosx 707 
Eecomte, H. — Root-tubercles of Aracliis 707 
Jamieson, T. — Root-hairs 707 
/3. Physiology. 
(1) Reproduction and Embryology. 
Willis, J. C . — Fertilization of Claytonia, Pliacelia, and Monarda 84 
Acqua, C . — Germination of the Pollen of Vinca major 84 
Schilbersky, C . — Dimorphism of the Flowers of Convolvulus arvensis 84 
Westermaier, M. — Embryology of Flowering Plants 224 
Kaesten, G. — Embryology of Gnetum 224 
Buscalioni, L. — Embryology of Veronica hedersefolia 225 
Robertson, C., & others — Cross-Pollination and Self-Pollination 225 
Carruthers, W. — Cross-Fertilization of Cereals . . 226 
Trelease, W. — Pollination of Yucca 226 
Hansgirg, A. — Red Colour of the Perianth 226 
Mottier, D. M. — Embryo-sac of Acer rubrum 367 
Kayser, G. — Nucellus of the Ovule of Croton 368 
Giltay, E. — Influence of the Pollen on the Fruit and Seed 368 
Juranyi, L. — Fertilization of Gymnosperms 368 
Raciborskt, M . — Chromatopliily of the Nuclei of the Embryo-sac 473 
Molisch, H . — Physiology of Pollen 474 
Dixon, H. H . — Fertilization of Pinus 474 
Pammel, L. H . — Hybridism in Cucurbitacese 475 
Wagner, A. — Pollination of Strelitzia .. 475 
Buscalioni, L. — Embryo-sac of Plantago 589 
Knuth, P., & others — Cross-pollination and Self-pollination 589 
Green, J. R. — Germination of Pollen-grains 590 
Benson, M., & S. Nawaschin — Embryology of the Amentiferx' 707 
Jaccard, P. — Embryology of Ephedra 708 
Graebner, P. — Occasional Cleistogamy 709 
Gibelli, G., & others — Cross- and Self-pollination 709 
Behrens, J. — Pollination of the Hop 710 
Waite, M. B . — Pollination of the Pear 710 
(2) Nutrition and Growth (including Germination, and Movements 
of Fluids). 
Landel, G. — Influence of the Solar Rays on Growth 84 
Gain, E. — Influence of External Conditions on Growth 85 
Jaccard, P. — Influence of the Pressure of Gases on Growth 85 
