To 



Sir WILLIAM TUENER THISELTON-DYER, 

 K.C.M.G., CLE., J.P., F.R.S., LL., Ph. & Sc.D., 



LATELY EDITOR OP THE 



Botanical Magazine, 



the value op which he has singe 



further enhanced 



~" bt the contribution to its pages 



op subjects from his garden 



at the ferns, witcombe, 



this volume 

 is gratefully dedicated. 



Kew, December 1, 1916. 



