CONTINENTAL TRAVEL SMYRNA. 25 



"Si je puis vous aider d'aucune maniere dans une affaire de 

 science, surtout dans la botanique ou la pharmacologie, je vous 

 prie de compter au moins sur ma bonne volonte. 



Agreez Monsieur 1'assurance de mes sentiments devoues. 



"D. H. 



" Mr. le Docteur F. F. Allemao." 



He loved to travel on the Continent, and particularly Travels. 

 in the district of Auvergne and the southern provinces 

 of France, where he cultivated the society of every 

 botanist of note ; he spent a pleasant summer vacation 

 with the late Professor Marti us in Bohemia, and he was 

 a frequent visitor at his brother's residence in Mentone. 

 There he carried out those ideas of acclimatisation which 

 he so well expressed in his first presidential address. 



With reference to his tours, it should be mentioned 

 that as far as possible he made personal observations on 

 everything connected with his special studies in every 

 locality he visited. At Smyrna (1854) he gained infor- Smyrna. 

 mation about the collection of scammony and its trade ; 

 and owing to the kindness of Sidney H. Maltass, he was 

 able to furnish interesting particulars. The striking 

 characters of pure natural scammony were found' to be 

 its pale yellowish-brown hue ; its transparency ; its great 

 brittleness ; its property of readily affording a white 

 emulsion when rubbed with water; and the scanty 

 amount of a white residue which it leaves on being 

 treated with ether. Scammony resin is to be distin- 

 guished from scammony by affording hardly any emulsion 

 when rubbed and wetted. 



At Grasse and Cannes he noted the flower manufac- 

 tures, and described the process of enfleurage. 



He went to Sicily (1872) on purpose to learn something siciiy. 

 about the production of manna, and at the same time 



