TO 



HIS HIGHNESS 



THE PRINCE DE SALM DYCK, 



OF DYCK, 

 AUTHOR OF THE " MONOGRAPHIE 



DES GENRES ALOE ET MESEMBRYANTHEMUM," 



A NOBLEMAN, 

 NO LESS DISTINGUISHED BY HIS KNOWLEDGE, 



THAN BY HIS SUCCESSFUL CULTIVATION OF SUCCULENT PLANTS, 

 THE PRESENT VOLUME IS DEDICATED 



BY HIS HIGHNESS' 



FAITHFUL AND OBEDIENT SERVANT, 



1 W. J. HOOKER. 



ROYAL BOTANIC GARDENS, KEW, 

 Decembkr 1, 1844- 



