THE 



JOURNAL OF BOTANY 



BRITISH AND FOREIGN 



EDITED BY 



JAMES BRITTEN, K. C. S. G., F. L. S. 



late Senior Assistant, Department of Botany, Bkitisit Museum. 



VOL. L I X. 



Llfi^AKY 





LONDON 



TAYLOE AND FRANCIS 



RED LION COURT, FLEET STREET 



1921. 



