W 3 / CO \ 



" WATSONIAlr" 



JOURNAL OF THE 

 BOTANICAL SOCIETY OF THE BRITISH ISLES 



Editor: E. F. WARBURG, MA.. Ph.D. 



Vol. 3 FEBRUARY 1956 Pt. 5 



CONTENTS PAGE 

 RuBUS ARCTicus L. IN BRITAIN. By R. M. Harley . . . . 237-238 



A New Subspecies of Pedicularis sylvatica L. By D. A. Webb . . 239-241 



Some New Chromosome Numbers in the Cyperaceae. By Elizabeth 



W. Davies . . . . . . . . . . . . 242-243 



The Chromosome Numbers of the British Menthae. By J. K. 



Morton .. .. .. .. .. .. .. 244-252 



Hybridisation between Diploid and Tetraploid Species of 



Euphrasia. By P. F. Yeo . . . . . . . . 253-269 



Geranium purpureum Vill. and G. robertianum L. in the British 



Flora -II. Geranium robertianum. By H. G. Baker .. 270-279 



The Genus Symphytum in Britain. By T. G. Tutin . . . . 280-281 



Review .. .. .. .. .. .. .. 282 



PUBLISHED AND SOLD BY THE 

 BOTANICAL SOCIETY OF THE BRITISH ISLES 

 c/o Department of Botany, British Museum (Natural History), London 

 Price Fifteen Shillings 



