THE 



JOURNAL OF BOTANY 



BRITISH AND FOREIGN 



EDITED BY 





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



LATB Sekioe Assistant, Dbpaetment of Botany, Beitish Museum. 



VOL. LVTI. 



LONDON 



TAYLOR AND FRANCIS 



RED LION COURT, FLEET STREET 



1919. 



