CONTENTS. 



I. A Contribut 



PART I.— Jantjart, 1913. 



a Knowledge of the Mutating QJlaottiet 



By Reginald B 



Gates. M.A.. Fh.D 



Boy 



College, of Sci 



South Kensingt 



Com 



municated by Prof. J. Bebtland Parmer, F:B.S , F.L.S.) (Plates 



6 



pages 1-68 



II. 1 



On some Indian J* 



PART II.— May, 1913. 



rassic Gymnosperms (Plates 7-9), and 2. — Rhexoxylon 

 africanuin, a neio Medullosean Stem (Plates 10 & 11). By Nellie Bancroft, 

 B.Sg. [Lond.), F.Z.S., 1851 Besearch Scholar, Newnham College, Cambridge. 



69-103 



PART III.— October, 1913. 



III. Marine Algce, Rhodophyceee, of the ' Sealark' Exjpedition, collected by Mr. J. 



Stanley Gardin'er, M.A. By Mrs. A. Weber- Van Bosse, Bh.I). (Coin- 

 municated by Prof. J. Stanley Gardiner, M.A., F.B.S., F.L.S.) (Plates 

 12-14 and 1 Text-figure.) 105-142 



PART IV.— December, 1913. 



f 



IV. Observations on the Morphology and Anatomy of the Genus Mystropetulon, Marv. 



By R. J. Harvey Gibson, M.A., F.L.S., Professor of Bola/ny in the Universiiy 



of Liverpool. (Plates 15 & 16.) 



143-154 



PART V. — December 



V. O 



Cuticles of some Becent and Fossil Cycadean Fronds. By H. Hamshaw 



Thomas, M.A., F.G,S., Curator of 



Botanical Museum, Cambridg 



and 



Ban 



B.Sc. F.L.S 



Besearch Scholar, Newnliam, Colleg 



bridge, i Plates 



d 32 Text-fi 



O 



155-204 



