XX11 CONTENTS. 



PAGE 



Becquerel, P. — Fertilisation of the Poppy 364 



Palibine, J. W. — Floral Anomaly in Doronicum 365 



Thomson, K. B. — Pollen of Microcachrys tetragona 590 



„ „ Megasporophyll of Saxegotha a and Microcachrys 735 



Himmelbadr, \V. — Closing of the Micropyle of Gymnosperms 735 



Guttenberg, H. von — Structure of the Antennas in Catasetum 735 



Saxton, W. a T. — Parthenogenesis in Pinus Pinaster 736 



Cook, M. T. — Embryo-sac of Passiflora adenophylla 736 



Harshberger, J. W. — Chemical Solutions and Bud Development 736 



Physiology. 



Nutrition and Growth. 



Freeman, G. P. — Transpiration in Plants 64 



Molisch, H. — Rise in Temperature of Foliage-leaves 196 



Hilton, A. E. — Reversing Currents in Plasmodia of Mycetozoa 196 



Wissehngh, C. van — Physiology of the Cells of Spirogyra 197 



Daniel, L. — Grafting of Perennial upon Annual Plants 365 



Brocq-Kousseu & E. Gain — Amylase in Old Seeds 365 



Maige, G. — Respiration of the Stamens and Pistil 365 



Krascheninnikoff, Th. — Green Plants and Carbon Monoxide 471 



Atkins, W. R. G. — Absorption of Water by Seeds 472 



Jsicolas, G. — Respiration of the Aerial Parts of Vascular Plants 472 



Kovessi, F. — Utilisation of Atmospheric Nitrogen by Specialised Hairs 736 



Irritability. 



Newcombe, F. C. — Gravitation-sensitiveness of Root 64 



Fluri, M. — Influence of Aluminium Salts on Protoplasm 64 



Bibliography 64 



Lubimenko, W. — Influence of Light on Fruit Development 197 



Nadson, G. A. — Effect of Light upon the Colour of Algm 197 



Morgulis, S. — Effect of Alkaloids in Regeneration 197 



Crocker, W., & L. I. Knight — Effect of Gas upon Carnations 198 



Bruchmann, H. — Chemotaxis of Spermatozoids of Lycopodium 366 



Lorch, W. — Hygroscopic Movements of Leaves 366 



Heinricher, E. — Germination of Phacelia 472 



Seefried, F. — Organs of Light-perception in Foliage-leaves 737 



Haberlandt, G. — Light-perception in Foliage-leaves 737 



General. 



Correns, C. — Function of the Male Cell in the Determination of Sex 198 



Chifflot, M. — Castration in Zea Mays produced by Ustilago 366 



Vries, H. de — Triple Hybrids 473 



Kerr, A. F. G. — Pollination of Dendrobium 473 



Gamble, J. S., & others — Flora of the Malayan Peninsula 473 



Burtt-Davy, J. — Incomplete Dichogamy in Zea Mays 591 



d'Herculais, J. K. — Insects and the Asclepiadacese 591 



Lovell, J. H. — Floral Coloration in Relation to Bees 737 



Hill, E. J. — Cleistogamy in Linaria 738 



CRYPTOGAMS. 



Pteridophyta. 



Browne, I. — Phytogeny and Inter -relationships of Pteridophyta 65 



Jeffrey, E. C — Absence of hollar Gaps in the Lycopsida . . 65 



Gwynne-Vaughan, D. T. — Nature of the Tracheal in Ferns 66 



Tansley, A. G. — Vascular System of the Filicinese 66 



Benson, M. — Sporangiophore in the Pteridophyta 66 



McNicol, M. — Cavity Parenchyma and Tyloses in Ferns 66 



