CONTENTS 
52 O'.SMO, 
. N4. 
No. CV, January, 1913. 
PAGE 
Eames, Arthur J. — The Morphology of Agathis australis. With Plates I-IV and ninety- 
two Figures in the Text 1 
Sinnott, Edmund W. — The Morphology of the Reproductive Structures in the Podocarpineae. 
With Plates V-IX and nine Diagrams in the Text 39 
West, G. S., and Griffiths, B. M. — The Lime-Sulphur Bacteria of the Genus Hillhousia. 
With Plate X 83 
Woodburn, William L. — Spermatogenesis in Blasia pusilla, L. With Plate XI . . 93 
Balls, W. Lawrence.— A pparent Fallacies of Electrical Response in Cotton Plants. With 
a Diagram in the Text ............ 103 
Blackman, V. H., and Welsford, E. J. — Fertilization in Lilium. With Plate XII . . m 
Walker, Norman. — O n Abnormal Cell-fusion in the Archegonium ; and on Spermatogenesis 
in Polytrichum. With Plates XIII and XIV 115 
Adkinson, June. — S ome Features of the Anatomy of the Vitaceae. With Plate XV . 133 
Brenchley, Winifred E. — The Weeds of Arable Land. Ill 141 
NOTES. 
Coburn, Hilda. — T he Fruiting of Catenella Opuntia 167 
Browne, Isabel. — A natomy of the Cone and Fertile Stem of Equisetum. A Correction . 168 
Blackledge, L. Margaret. — V ariations in the NaCl Content of Non-halophytes . . 168 
Baker, Sarah M. — Note on a New Treatment for Silver-leaf Disease in Fruit Trees . . 172 
No. CVI, April, 1913. 
Wager, Harold. — The Life-history and Cytology of Polyphagus Euglenae. With Plates 
XVI-XIX 173 
Lang, William. H. — Studies in the Morphology and Anatomy of the Ophioglossaceae. 
I. On the branching of Botrychium Lunaria, with notes on the anatomy of young and 
old rhizomes. With Plates XX and XXI and fourteen Figures in the Text . . 203 
Holden, Ruth. — Some Fossil Plants from Eastern Canada. With Plates XXII and XXIII 243 
Hill, T. G., and de Fraine, E. — A Consideration of the Facts relating to the Structure of 
Seedlings. With a Curve, two Diagrams, and one Figure in the Text . . *257 
Salisbury, E. J. — Methods of Palaeobotanical Reconstruction. With one Figure in the Text 273 
Kisch, Mabel H. — The Physiological Anatomy of the Periderm of Fossil Lycopodiales. 
With Plate XXIV and twenty-seven Figures in the Text 281 
Saxton, W. T. — Contributions to the Life-history of Actinostrobus pyramidalis, Miq. With 
Plates XXV-XXVIII and three Figures in the Text 321 
Takeda, H. — Some points in the Anatomy of the Leaf of Welwitschia mirabilis. With 
Plate XXIX and five Figures in the Text ........ 347 
Takeda, H. — A Theory of ‘Transfusion-tissue ’ 359 
NOTES. 
Takeda, H. — Development of the Stoma in Gnetum Gnemon. With ten, Figures in the Text 365 
Delf, E. M. — Note on an Attached Species of Spirogyra. With two Figures in the Text . 366 
Holden, H. S. — On the Occlusion of the Stomata in Tradescantia pulchella. With a Figure 
in the Text 
369 
