INDEX 
A. ORIGINAL PAPERS AND NOTES. 
Acton, Elizabeth. — S tudies on Nuclear Division in Desmids. I. Hyalotheca dissiliens 
(Sm.), Breb. With Plate VIII and four Figures in the Text . ... . 
Barratt, Kate. — T he Origin of the Endodermis in the Stem of Hippuris. With six Figures 
in the Text 
A Note on an Abnormality in the Stem of Helianthus annuus. With 
thiee Figures in the Text .... ........ 
Bayliss-Elliott, Jessie S., and Grove, W. B. — Roesleria pallida, Sacc. With eleven 
Figures in the Text ............. 
Blackman, V. H., and Welsford, E. J. — Studies in the Physiology of Parasitism. II. In- 
fection by Botrytis cinerea. With Plate X and two Figures in the Text 
Brenchley, Winifred E. — The Effect of the Concentration of the Nutrient Solution on the 
Growth ot Barley and Wheat in Water Cultures. With Plate II and four Diagrams in 
the Text ............... 
Brown, William. — S tudies in the Physiology of Parasitism. III. On the Relation between 
the ‘ Infection Drop’ and the underlying Host Tissue ...... 
Cole, Ruth D., see Jeffrey, E. C. 
Davey, A. J. — Seedling Anatomy of certain Amentiferae. With eighteen Figures in the Text 
Davie, R. C. — The Development of the Sorus and Sporangium and the Prothallus of Peranema 
cyatheoides, D. Don. With Plate III and two Figures in the Text .... 
DE b raine, E. — The Morphology and Anatomy of the Genus Statice as represented at Blake- 
ney Point. Part I. Statice binervosa, G. E. Smith, and S. bellidifolia, D.C. ( = S. 
reticulata). With systematic and ecological notes by E. J. Salisbury. With Plate 
VI, twenty-eight Text-figures, and four Tables ........ 
Delf, E. Marion. — S tudies of Protoplasmic Permeability by Measurement of Rate of Shrink- 
age of Turgid Tissues. I. The Influence of Temperature on the Permeability of 
Protoplasm to Water. With seventeen Figures and five Tables in the Text 
Doyle, Joseph. — N ote on the Structure of the Ovule of Larix leptolepis. With one Figure 
in the Text 
-On the ‘Proliferous’ Form of the Scape of Plantago lanceolata. With 
two Figures in the Text ............ 
Dutt, C. P. — Pityostrobus macrocephalus, L. and H. A Tertiary Cone showing Ovular 
Structures. With Plate XV and two Figures in the Text ...... 
Eastwood, A., see Sutherland, G. H. 
Fraser, Mary T. — Parallel Tests of Seeds by Germination and by Electrical Response. (Pre- 
liminary Experiments.) . ........... 
Fritsch, F. E. — The Morphology and Ecology of an Extreme Terrestrial Form of Zygnema 
(Zygogonium) ericetorum (Kuetz.), Hansg. With three Figures in the Text 
and Takeda, H. — On a Species of Chlamydomonas (C. sphagnicola, F. E. 
Fritsch and Takeda — Isococcus sphagnicolus, F. E. Fritsch). With fourteen Figures 
in the Text .............. 
Groom, Percy. — A Note on the Vegetative Anatomy of Pherosphaera Fitzgeraldi, F. v. M. 
With one Figure in the Text ........... 
Grove, W. B., see Bayliss-Elliott, J. S. 
Gwynn e-Vaughan, D. T. — Observations on the Anatomy of the Leaf in the Osmundaceae. 
With Plate XIII 
On some Climbing D avail ias and the Petiole of Lygodium. 
With Plate XIV and eight Figures in the Text ........ 
PAGE 
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9 1 
481 
407 
389 
77 
399 
575 
101 
239 
283 
193 
353 
529 
181 
135 
373 
311 
4S7 
495 
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