A MONOGRAPH 



OF THE 



BRITISH DESMIDIACE.E 



. 



BY 



THE LATE 



W. WEST, F.L.S., ^ L 



Lecturer in Botany, Biology, and Bacteriology at the Technical 



College, Bradford; 

 Ex-president of the Yorkshire Naturalists' Union; 



AND 



THE LATE 



G. S. WEST, M.A., D.Sc., F.L.S., A.R.C.S., 



Professor of Botany at the University of Birmingham ; Formerly Professor 



of Natural History at the Royal Agricultural College, Cirencester ; 



and Scholar ,//.? Hutchinson Research Student of St. John's 



College, Cambridge 



VOLUME Y 



BY 



NELLIE CARTER, D.Sc., 



Research Assistant at the Missouri Botanical Garden; Formerly Research 

 Assistant at the University of Birmingham ; and Seessel Research 



Fellou- at Yale Unirersiti/. 



LONDON 

 PRINTED FOR THE RAY SOCIETY 



1923 



