ANNALS OF BOTANY, Vol. XIX. 
Contains the following Papers and Notes:— 
Ward, H. M. — Recent Researches on the Parasitism of Fungi. 
Eriksson, J. — On the Vegetative Life of some Uredineae. 
Maslen, A. J. — The Relation of Root to Stem in Calamites. With Plates I and II, and a Figure 
in the Text. 
Czapek, F. — The Anti -ferment Reaction in Tropistic Movements of Plants. _ 
Peirce, G. J.— The Dissemination and Germination of Arceuthobium occidental, Engl. With 
Plates III and IV* 
Sargant, Miss E., and Robertson, Miss A. — The Anatomy of the Scutellum in Zea Mai's, 
With Plate V. 
Salmon, E. S. — Further Cultural Experiments with ‘ Biologic Forms’ of the Erysiphaceae. 
Vines, S. H. — The Proteases of Plants. II. 
Vines, S. H. — The Proteases of Plants. III. 
Allen, C. E. — Nuclear Division in the Pollen Mother-cells of Lilium canadense. With Plates 
VI-IX. 
Gwynne-Vaughan, D. T.— On the Anatomy of Archangiopteris Henryi and other Marattiaceae. 
With Plate X. 
Berridge, Miss E. M. — On two New Specimens of Spencerites insignis. With Plates XI and 
XII and three Figures in the Text. 
Blackman, F. F. — Optima and Limiting Factors. With two Diagrams in the Text. 
Leake, H. M.— The Localization of the Indigo-producing Substance in Indigo-yielding Plants. 
With Plate XIII. 
NEWCOMBE, F. C„— Geotropic Response at Various Angles of Inclination. 
Campbell, D. H. — Studies on the Araceae. III. With Plates XIV-XVII. 
RIDLEY, H. N.— On the Dispersal of Seeds by Wind. 
Chandler, S. E.— On the Arrangement of the Vascular Strands in the ‘Seedlings’ of certain 
Leptosporangiate Ferns. With Plates XVIII-XX. 
Lang, W. H. — On the Morphology of Cyathodium. With Plates XXI and XXII. 
Buller, A. H. R. — The Reactions of the Fruit-bodies of Lentinus lepideus, Fr., to External 
Stimuli. With Plates XXIII-XXV. 
Mother, D. M. — The Embryology of some Anomalous Dicotyledons. With Plates XXVI and 
i XXVII. 
Stevens, W. C. — Spore Formation in Botrychium virginianum. With Plates XXVIII-XXX. 
Tansley, A. G., and Lulham, Miss R. B. ]. — A Study of the Vascular System of Matonia pectinata. 
With Plates XXXI-XXXIII and five Figures in the Text. 
Andrews, F. M. — The Effect of Gases on Nuclear Division. With a Figure in the Text. 
Williams, J. Lloyd. — Studies in the Dictyotaceae. III. The Periodicity of the Sexual Cells in 
Dictyota dichotoma. With six Diagrams in the Text. 
Stopes, Miss Marie C. — On the Double Nature of the Cycadean Integument. 
NOTES. 
Fritsch, F. E. — Algological Notes. No. 6 : The Plankton of some English Rivers. 
Parkin, J. — On a brilliant Pigment' appearing after Injury in Species of Jacobinia (N. O. 
Acanthaceae). (Abstract.) 
Scott, D. H. — On the Structure and Affinities of Fossil Plants from the Palaeozoic Rocks. — V. On 
a new Type of Sphenophyllaceous Cone (Sphenophyllum fertile) from the Lower Coal-measures. 
(Abstract.) 
Massee. — On the Presence of Binucleate Cells in the Ascomycetes. With a Figure in the Text. 
Arber. — On some Species of Lagenostoma : a Type of Pteridospermous Seed from the Coal- 
measures. 
Thompson, H". S. — On Phlomis lunarifolia, Sibth. et Smith, and some species confused with it. 
Ewart, A. J. — The Resistance to Flow in Wood Vessels. With three Figures in the Text. 
Salmon, E. S. — On Endophytic Adaptation shown by Erysiphe Graminis, DC. under Cultural 
Conditions. 
Blackman, V. H., and Fraser, Miss H. C. I. — Fertilization in x Sphaerotheca. 
Pertz, Miss D. F. M. — The Position of Maximum Geotropic Stimulation. 
CONTENTS OF VOL. XIX. 
INDEX. 
