VI 
Index . 
PAGE 
Jackson, Violet G. — See Brenchley, Winifred E. 
Jeffrey, Edward Charles, and Torrey, Ray Ethan. — Transitional Herbaceous Dicoty- 
ledons. With Plates XI-XIII and five Figures in the Text 227 
Mottier, David M. — On Certain Plastids, with Special Reference to the Protein Bodies of 
Zea, Ricinus, and Conopholis. With Plate XV 349 
Rees, E. M. — See Gates, R. Ruggles. 
Sahni, B. — Note on the Presence of a ‘Tent-pole ’ in the Seed of Cephalotaxus pedunculata. 
With two Figures in the Text ........... 297 
Seifriz, William.— Observations on some Physical Properties of Protoplasm by Aid of 
Microdissection. With one Figure in the Text ....... 269 
Smith, T. O., and Butler, O. — Relation of Potassium to Growth in Plants . . . .189 
Stopes, Marie Carmichael. — The Missing Link in Osmundites. With Plate II and one 
Figure in the Text 55 
Taylor, Norman. — Endemism in the Bahama Flora. With one Map in the Text . . 523 
Thoday, D. — On the Behaviour during Drought of Leaves of two Cape Species of Passerina, 
with some Notes on their Anatomy. With thirteen Figures in the Text . . . 585 
Thoday, M. G. — Anatomy of the Ovule and Seed in Gnetum Gnemon, with Notes on Gnetum 
funiculare. With Plate I and five Figures in the Text ...... 37 
Torrey, R. E. — Telephragmoxylon and the Origin of Wood Parenchyma. With Plate III 
and three Figures in the Text 73 
— See Jeffrey, Edward Charles. 
Walkden, H. — The Isolation of the Organism causing Crown Gall on Chrysanthemum 
frutescens in Britain . . . . . . . . . . . . 1 37 
Waterhouse, W. L. — Studies in the Physiology of Parasitism. VII. Infection of Berberis 
vulgaris by Sporidia of Puccinia graminis. With nineteen Figures in the Text . 557 
Welsford, E. J. — Division of the Nuclei in’ Synchytrium endobioticum, Perc. With one 
Figure in the Text ............. 298 
Williams, J. Lloyd. — The Gametophytes andj Fertilization in Laminaria and Corda 
(Preliminary Account) ............ 603 
Williamson, H. S. — A New Method of preparing Sections of Hard Vegetable Structures . 139 
Willis, J. C. — Endemic Genera of Plants in their Relation to Others. With six Diagrams 
in the Text 493 
Wormald, H. — On the Occurrence in Britain of the Ascigerous Stage of a ‘ Brown Rot ’ 
Fungus. With Plates VI and VII 125 
a. Plates. I. 
II. 
III. 
IV, V. 
VI, VII. 
VIII. 
IX, X. 
XI-XIII. 
XIV. 
XV. 
XVI-XIX. 
XX. 
XXI. 
XXII. 
XXIII. 
B„ LIST OF ILLUSTRATIONS. 
Gnetum (M. G. Thoday). 
Osmondites (Stopes). 
Telephragmoxylon (Torrey). 
Nectria galligena (Cayley). 
Brown Rot (Wormald). 
Botrychium (Campbell). 
Rosa (Blackburn and Harrison). 
Herbaceous Dicotyledons (Jeffrey and Torrey). 
Sclerotinia Li'bertiana (Boyle). 
Plastids (Mottier). 
Lactuca (Gates and Rees). 
Tilletia Tritici (J. F. Dastur). 
Equisetum (I. M. P. Browne). 
Macrozamia (Hatfield). 
Coniferous Wood (Edwards). 
