Introduction to Vol. III Part Il. 
The families Palme to Aroideae and Alismaceae were 
completed by Mr. J. F. Duthie befor his death on 23rd 
February 1922. Therest of the work has been written 
at Dehra Dun by Mr. R. N. Parker except for some of the 
descriptions in Cyperacee amounting to about one- 
third of the species included which are the work of 
Mr. W. B. Turrill at Kew. 
