INDEX 
A. ORIGINAL PAPERS AND NOTES. 
Acton, Elizabeth.— O bservations on the Cytology of the Chroococcaceae. With Plates 
XXXIII and XXXIV 
Arber, Agnes. — A Note on Trigonocarpus. With one Figure in the Text . 
Arber, E. A. Newell. — A Revision of the Seed Impressions of the British Coal Measures. 
With Plates VI-VIII and eight Figures in the Text ....... 
Bailey, Irving W., see Sinnott, Edmund W. 
Bancroft, N. — Note on Vegetative Reproduction in some Indian Selaginellas. With Plate 
XLIX and seven Figures in the Text 
Berridge, E. M. — The Structure of the Flower of Fagaceae, and its Bearing on the 
Affinities of the Group. With nine Figures in the Text . . 
Blackman, V. H., and Paine, S. G. — A Recording Transpirometer. With two Figures in 
the Text 
Blackwell, Elsie M.^ — Preliminary Note on Occurrence of Stomata in Hypogeal Cotyledons 
Boodle, L. A. — On the Trifoliolate and other Leaves of the Gorse (Ulex europaeus, L.) 
Bottomley, W. B. — The Significance of Certain Food Substances for Plant Growth. With 
two Diagrams in the Text 
Bower, F. O. — Studies in the Phylogeny of the Filicales. IV. Blechnum and Allied Genera. 
With Plates XXII-XXXII and twenty Figures in the Text ..... 
Brenchley, Winifred E.— On the Action of Certain Compounds of Zinc, Arsenic, and 
Boron on the Growth of Plants. With seventeen Figures in the Text 
Brown, Horace T. — Some Studies on Yeast. With eight Figures in the Text . . • 
Campbell, Douglas Houghton. — T he Structure and Affinities of Macroglossum Alidae, 
Copeland. With Plates XLVI-XLVIII and eight Figures in the Text 
de Fraine, E. — On Medullosa centrofilis, a New Species of Medullosa from the Lower Coal 
Measures. With Plate XV and five Figures in the Text 
see Hill, T. G. 
Dodge, B. O., see Harper, R. A. 
Ferdinandsen, C., and Winge, 0. — Ostenfeldiella, a New Genus of Plasmodiophoraceae. 
With Plate XLV and four Figures in the Text 
Fraser, H. C. I. (Mrs. Gwynne-Vaughan). — T he Behaviour of the Chromatin in the 
Meiotic Divisions of Vicia Faba. With Plates XLIII and XLIV . 
Green, M. L. — Note on Anomalous Bulbils in a Lily. With two Figures in the Text . 
Gwynne-Vaughan, D. T. — On a ‘ Mixed Pith’ in an Anomalous Stem of Osmunda regalis. 
With Plate XXI 
Harper, R. A., and Dodge, B. O. — The Formation of the Capillitium in Certain Myxo- 
mycetes. With Plates I and II . . 
Harris, J. Arthur.- O n a Chemical Peculiarity of the Dimorphic Anthers of Lagerstroemia 
indica, with a Suggestion as to its Ecological Significance. With two Figures in the 
Text 
Hill, T. G., and de Fraine, E. — On the Classification of Seed-Leaves .... 
Kashyap, Shiv Ram. — T he Structure and Development of the Prothallus of Equisetum 
debile, Roxb. With forty-five Figures in the Text ....... 
Keene, Mary Lucille. — C ytological Studies of the Zygospores of Sporodinia grandis. With 
Plates XXXV and XXXVI 
Knight, R. C., and Priestley, J. H. — The Respiration of Plants under Various Electrical 
Conditions. With six Figures in the Text ........ 
Lang, William H. — Studies in the Morphology and Anatomy of the Ophioglossaceae. 
II. On the Embryo of Helminthostachys. With Plate III and nine Figures in the 
Text 
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