XXIV CONTENTS. 



PAGE 



Paul, H. — Effect of Calcium Salts on Sphagna 455 



Heinze, Berthold — Fungi in Relation to Atmospheric Nitrogen 455 



Baur — Chlorosis in Malvaceae . , 559 



Marchal, El. & M. — Starch in the Bryophyta 560 



Nemec, B. — Direction of Growth in Hepatics 560 



Pavarino, L. — Respiration in Leaves attacked by Peronospora 561 



Bibliography 561 



Labbe, E. — Micro-organisms as Aids to Digestion in Drosera rotundifolia .. .. 685 



Moller, A. — Mycorhiza and Nitrogen Assimilation 686 



Irritability. 



Pierce, G. J., & Flora A. Randolph — Irritability in Alga; 43 



Ewart, A. J., & Jessie S. Bayliss — Ga/canotropic Irritability of Roots .. .. 44 



Lefevre, Jules — Effect of Light on Green Plants in absence of Carbon-dioxide .. 456 



Bois, D., & J. Gallacd — Modifications of Tropical Plants in changed Surroundings 456 



Wieler, A. — Action of Sulphur-Dioxide on Plants -. .. 456 



Pulton, Harry R., & M. Racibowski — Chemotropism of Fungi 457 



Errera, L. — Hygroscopicity as a Cause of Physiological Action at a Distance . . 686 



Chemical Changes. 



Keegan, P. — The Chemistry of some Common Plants 44 



Sohellenberg, H. C. — Action of Fungi on Cellulose 187 



Henry, T. A., & S. J. M. Auld — Probable Existence of Emulsin in Yeast .. .. 187 



Bibliography 187 



Rothert, W. — Behaviour of Plants towards Aluminium 457 



Kunze, Gustav — Acid Excretion of Roots and Fungi 458 



Fitch, Ruby — Action of Insoluble Substances in Monifying the Effect of Deleterious 



Agents 686 



Dunstan, Wyndham, & others — Cyanogenesis in Plants 687 



Zellner, J. — Fat-splitting Ferment of the Higher Fungi 687 



General. 



Watson, D. M. S. — On a " Fern " Synangium from the Lower Coal Measures of 



Shore, Lancashire. (Plates I. , II., III.) 1 



Ridley, H. N. — Dispersal of Seeds by Wind 44 



Thiselton-Dyer, W. T., & others — Chinese Flora 45 



Baker, J. G., & others — Flora of Tropical Africa 45 



Jackson, Daydon, & C. M. Schneider — Botanical Glossary and Encyclopaedia .. 45 



Bibliography 46 



Scott, D. H. — The President's Address : Life and Work of Reinard Renault. 



(Plates IV., V.) 129 



Praeger, R. Ll. — Irish Topographical Botany 327 



Mdllspaugh, C. F. & Agnes Chase — Yucatan Plants 328 



Bibliogbaphy 328 



Bonnier, G. — Colour as an Attraction for Pees 458 



Scott, D. H. — On the Structure of some Carboniferous Ferns 518 



Noll — Graft Hybrids 561 



Villani, Armando — Nectaries of Cruciferas 561 



Klebs, G. — Variation of Flowers 561 



Polacci, G. — Preserving Plants 562 



Hemsley, W. B. — Julianiacas, a Neiv Family of Seed-plants 687 



CRYPTOGAMS. 



Pteridophyta. 



Bibliography 46 



Haberlandt, G. — Chloroplast in Selaginella 188 



Lyon, H. L. — New Genus of Ophioglossacex 188 



