3^4 
London  Botanic  Gardens. 
/Am.  Jour.  Pharm. 
I     August,  1906. 
In  conclusion,  I  desire  to  express  my  best  thanks  to  the  following 
for  the  assistance  which  I  have  received  from  them :  Mr.  H.  Howard 
Batten,  Clerk  to  the  Trustees  of  the  Chelsea  Physic  Garden  ;  Sir 
William  Turner  Thiselton-Dyer,  K.C.M.G.,  F.R.S.,  ex-Director  of 
the  Royal  Gardens  at  Kew  \  x  Mr.  W.  Hales,  Curator  of  the  Chelsea 
Physic  Garden;  Mr.  E.  F.  Hawes,  Chief  Instructor  of  the  Practical 
Gardening  School  in  the  Royal  Botanic  Society's  Gardens ;  Mr.  J. 
M.  Hilher,  Keeper,  and  Mr.  J.  H.  Holland,  F.L.S.,  Assistant  Keeper 
of  the  Museums  of  Economic  Botany  at  Kew  ;  Mr.  E.  M.  Holmes, 
F.L.S.,  Curator  of  the  Pharmaceutical  Society's  Museums  ;  Mr.  B. 
Daydon  Jackson,  F.L.S.,  General  Secretary  to  the  Linnean  Society 
of  London  ;  Mr.  A.  W.  Kappel,  F.L.S.,  and  Mr.  J.  W.  Knapman, 
Librarians  respectively  of  the  Linnean  Society  of  London  and  of  the 
Pharmaceutical* Society  of  Great  Britain;  Mrs.  P.  E.  F.  Perredes; 
Dr.  F.  B.  Power,  Director  of  the  Wellcome  Chemical  Research 
Laboratories ;  Mr.  T.  E.  Sedgwick,  Assistant  Secretary  to  the  Royal 
Horticultural  Society ;  Mr.  J.  B.  Sowerby,  F.L.S.,  Secretary  to  the 
Royal  Botanic  Society  ;  and  Mr.  W.  Watson,  A.L.S.,  Curator,  Royal 
Gardens,  Kew. 
The  illustrations,  with  the  exception  of  Plate  XXV,  have  been 
prepared  expressly  for  this  work,  and  for  their  excellence  I  am 
chiefly  indebted  to  Mr.  H.  S.  Wellcome  and  to  the  photographic 
staff  of  Messrs.  Burroughs,  Wellcome  &  Co.  Plate  XXV  is  printed 
from  a  block  kindly  lent  by  Mr.  Howard  Batten  ;  the  other  plans  I 
have  drawn  myself. 
London,  December,  1905. 
ADDITIONS  AND  CORRECTIONS. 
Oct  ,  1905,  p.  454,  line  21,  for  "  August  7,  1865,  "  read  "  August  7,  16S5." 
Nov.,  1905,  p.  524,  line  5, /or  "In  1784  "  read  "In  1772." 
Dec,  1905,  p.  564,  line  20, /or  "  1784"  read  "  1772." 
Jan.,  1906,  p.  2,  line  3  from  bottom,  for  "  Prunus  amygdalus"  read  "  Prunus 
Amygdalus." 
Jan.,  1906,  p.  3,  lines  3-4,  for  "  sources  respectively  of  otto  of  rose,  hips  and 
red-rose  petals"  read  "sources  respectively  of  hips,  otto  of  rose  and  red- 
rose  petals." 
Jan.,  1906,  p.  3,  line  15,  for  "  Ulmus  compestris'n  read  "  I  Imus  campeslris.'" 
"  "  p.  4,  line  32,  for  " Peucedanum  ostruthium"  read  "  Peucedanum 
Ostruthium." 
1  Sir  William  Dyer  retired  from  the  post  of  Director  in  December,  1905,  and 
Lieutenant-Colonel  David  Prain,  I.M.S.,  F.R.S.,  then  Director  of  the  Botanical 
Survey  of  India,  was  appointed  as  his  successor. 
