[ iv ] 



PART VI.— November, 1896. 



VI. On Folystelic Roots of certain Falms. By B. G. Cormack, M.A. (Communicated 



by D. H. Scott, F.B.S., F.L.S.) (Plates XIX. & XX.) page 275 



PART VII.— October, 1897. 



VII. On some Points in the 31orphology and Anatomy of the Nymph aeacese. By D. T. 



Gwynne-Vaughan, B.A. Cantah. [Commiinicated by D. H. Scott, F.F.S., 

 F.L.S., Hon. Keeper of the Jodretl Laboratory^ Moyal Gardens, Kew.) 

 (Plates XXI. & XXn.) 287 



PART VIIL— December, 1897. 



VIII. On '^Transfusion-tissue'' : its Orlyin and Function in the Leaves of Gymno- 

 spermous Plants. By W. C. Worsdell. {Communicated by D. II. Scott, Fh.D.^ 

 F.B.S., F.L.S., Hon. Keeper of the Jodretl Laboratory, Boyal Gardens, Keiv.) 

 (Plates XXIII.-XXVI.) 301 



PART IX.— February, 1899. 



IX. Neic Peridiniacese/rom the Atlantic. By George Murray, F.B.S., F.L.S., Keeper 



of Botany, British Iluseum, and Prances G. Whitting, former Student of 

 Newnham College, Cambridge. (Plates XXVII.-XXXIIL, and 5 inserted 

 Tables.) . 321 



PART X.— April, 1899. 



X. On Craterbstigma pumilum, Hochst., a rare Plant from Somali-Land. By H. 



Marshall Ward, D.Sc, F.R.S., F.L.S., Professor of Botany in the University 

 of Cambridge, and Miss E. Dale, Pfeiffer Student, Girt on College. (Plates 

 XXXIV. & XXXV.) 343 



PART XL— July, 1899. 



XI. The Structure of 'LeY^Ao?,tvQh\k^. J5y Arthur John Maslen. [Communicated by 



D. H. Scott, Ph.D., M.A., F.R.S., F.L.S.) (Plates XXXVI.-XXXVIIL). 357 



PART XII.— December, 1899. 



XII. A Systematic Revision of the Genus Najas. By Alfred Barton Rendle, M.A.y 



B.Sc, F.L.S., Assistant in Botany, British Museum. (Plates XXXIX- 

 XLll.) 379 



