BOTANICAL SOCIETY OF THE BRITISH ISLES 



Patroness: H.R.H. THE PRINCESS ROYAL 



OFFICERS 



President: The Rev. Canon C. E. RAVEN. 



Vice-Presidents: R. W. BUTCHER, J. S. L. GILMOUR and T. G. TUTBV. 



Hon. General Secretary: J. E. LOUSLEY, 7 Penistone Road, Streatham Common, 



London, S.W.16. 



Hon. Treasurer: E. L. SWANN, 282 Wootton Road, King's Lynn, Norfolk 



Hon. Editor: E. F. WARBURG, University Department of Botany, South Parks Road, 



Oxford. 



Hon. Meetings Secretary: J. G. DONY, 41 Somerset Avenue, Luton, Beds. 



Applications for membership should be addressed to the Hon. Assistant Secretary, D. H. 

 KENT, 75 Adelaide Road, West Ealing, London, W.13, from whom copies of the Society's 



Prospectus may be also obtained. 



WATSONIA 



Price to non-members, 7/6 per part. To be obtained from E. B. BANGERTER Botanical Society 

 of the British Isles, c/o Dept. of Botany, British Museum, (Natural History), London, S.W .7. 



SUBSCRIPTIONS 



The present rate of subscription is One Guinea per annum for Ordinary Members, 10/6 for 

 Junior Members, and 10/6 for Family Members, and the Society's year runs from January 

 1st to December 31st. All subscriptions should be paid to the Hon. Treasurer. 



ADVERTISEMENTS 



All enquiries for advertising space in the Society's publications should be addressed to 

 R. GRAHAM, Mint House, Woodside Road, Northwood, Middlesex. 



