THE 



PRINCIPLES 



OF 



PLANT-TERATOLOGY 



WILSON CROSFIBLD WORSDELL, F.L.S. 



HONORARY MEMBER OF THE ROYAL HORTICULTURAL SOCIETY 



VOLUME I 



LONDON 



PRINTED FOR THE RAY SOCIETY 



AND SOLD BY 



DULAU & CO., LTD., 37, SOHO SQUARE, W. 



