X1Y 
PREFACE 
K.C.I.E., F.R.S., LL.D., etc., late Superintendent of the Royal 
Botanic Gardens, Calcutta ; Major D. Prain, M.B., F.R.S.E., etc., 
the present Superintendent ; and to Dr. G. Watt, C.I.E., F.L.S., 
Reporter on Economic Products to the Government of India. 
I am further indebted to Lady Elisabeth Bruce [now Lady 
Babington Smith] and Mr. H. Babington Smith, authors of a 
privately printed list of Simla plants containing notes on the 
colours of their flowers, localities and seasons of flowering, which 
has most kindly been placed at my disposal. 
[June 1900.] 
HENRY COLLETT. 
