LONDON BOTANICAL SOCIETY. 
1838—1857 - 
? 1844 — 185 r - 
1851-7 
- President — Dr. J. E. Gray, F.R.S. 
Curator — Daniel Cooper. 
Acting Secretary — G. E. Dennes. 
- Distributor — H. Cottrell Watson. 
- Curator — J. T. Boswell Syme. 
At its dissolution the Exchange Club was carried on at 
Thirsk. 
