CONTENTS. 
PAGE 
Wager, Harold. — T he Life-history and Cytology of Polyphagus Euglenae. With 
Plates XV 1 -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. — S ome 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 
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