402 THE EXAMINATION OF EUCALYPTUS KINOS, 



Its composition is as follows : — 



Catechin and tannic acid 

 Ligneous matter, &c. 

 Moisture ... 

 Ash 



100-00 

 Tannic acid determination (Lowenthal) 36*1 per cent. It was 

 analysed August, 1891. 



The following species, viz. : — 



E. rostrata E. Maideni 



E. viminalis E. Gunnii 



E. Stuartiana E. goniocalyx 



and perhaps E. Bauerleni 



yield kinos possessing many points of resemblance, and are 



grouped together provisionally. 



Eucalyptus rostrata, Schlecht., B.F1. iii. 240. 



The well-known " Red Gum " of Victoria and the Murray and 

 Edwards Rivers, KS.W. 



The kino of this species is perhaps the best known of all 

 Eucalyptus kinos, chiefly through the enterprise of Mr. Joseph 

 Bosisto, of Melbourne. 



It is a useful astringent, and it seems to be increasing in 

 favour with medical men in England, America, and Australia. 



The official kino (Pterocarpics) contains, I believe, no substance 

 which is not contained in this and some allied kinos, for which 

 they appear to be a perfect substitute. See Pharm. Journ. [3], 

 xx. 221, 321. 



The kino of E. rostrata will be found mentioned in all modern 

 works on Materia Medica. In Martindale and Westcott's Extra 

 Pharmacopoeia, for instance, we have the following : — " E. rostrata 

 and E. corymbosa, and probably other species imported from 

 Australia. It is semi-translucent and garnet-coloured, not so 



