INDEX 
A. ORIGINAL PAPERS AND NOTES. 
Armstrong, E. F., see Armstrong, H. E. 
Armstrong, H. E. and E. F. — The Function of Hormones in regulating Metabolism . 
Bailey, I. W. — The Relation of the Leaf-trace to the Formation of Compound Rays in the 
Lower Dicotyledons. With Plates XV-XVII and one Figure in the Text 
A Cretaceous Pityoxylon with Marginal Tracheides. With Plate XXVI . 
Bancroft, N. — On the Xylem Elements of the Pteridophyta. With Plate LVI and three 
Figures in the Text ........... 
Beer, R. — Studies in Spore Development. With Plate XIII ..... • 
Notes on the Development of the Carpophore of some Agaricaceae. With 
Plate LII 
Benson, M. — New Observations on Botryopteris antiqua, Kidston, With Plates LXXXI- 
LXXXIII and three Figures in the Text • 
Bentley, B. H. — An Arrangement for using the Blades of Safety Razors in the Microtome. 
With three Figures in the Text 
Berry, E. W. — A Lower Cretaceous Species of Schizaeaceae from Eastern North America. 
With Plate XII and one Figure in the Text 
Bower, F. O. — Notes on the Morphology of Ophioglossuin (Cheiroglossa) palmatum, L. 
With Plates XXII-XXIV 
On the Primary Xylem, and the Origin of Medullation in the Ophioglossa- 
ceae. With Plates XLV and XLVI 
On Medullation in the Pteridophyta. With Plate XLVII .... 
r Correction ............. 
Brenchley, W. E.— The Weeds of Arable Land in relation to the Soils on which they grow 
Butler, E. J. — On Allomyces, a new Aquatic Fungus. With Figures 1-18 
Butler, O* — A Study on Gummosis of Prunus and Citrus, with Observations on Squamosis 
and Exanthema of the Citrus. With Plates VII-X and three Figures in the Text . 
Campbell, D. H. — The Embryo-sac of Pandanus. With Plates LIX and LX and two 
Figures in the Text 
Carruthers, D. — Contributions to the Cytology of Helvella crispa, Fries. With Plates 
XVIII and XIX 
Carter, M. G. — A Reconsideration of the Origin of ‘Transfusion Tissue’. With four 
Figures in the Text 
Chambers, H. S. — The Vestigial Axillary Strands of Trichomanes javanicum, Bl. With 
Plate LXXX and five Figures in the Text 
Davis, B. M. — Cytological Studies on Oenothera. III. A Comparison of the Reduction 
Divisions of Oenothera Lamarckiana and O. gigas. With Plates LXXI-LXXIII . 
DE Bruyn, H. — The Ontogenetic Development of the Stele in Two Species of Dipteris. 
With Plates LVII and LVIII 
Delf, E. M. — Transpiration and Behaviour of Stomata in Halophytes. With thirteen 
Figures in the Text 
Dummer, R. — Grape Sugar as an Excretion in Platycerium. With two Figures in the Text 
Eames, A. J. — On the Origin of the Herbaceous Type in the Angiosperms. With Plate XIV 
Essed, E.— The Panama Disease. I. With Plate XXVIII 
The Panama Disease. II. With Plate XXIX 
The Surinam Disease. A Condition of Elephantiasis of the Banana caused by 
Ustilaginoidella oedipigera. With Plate XXX 
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761 
485 
1205 
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363 
