256 ANG0PH0RA KINO, 



1. From Botany, near Sydney, collected in March, trees 50 ft. 

 high, and 1 to 2 feet in diameter. When freshly gathered this 

 kino has a smell somewhat like sour wine, something resembling 

 that of E. metadata but not so agreeable. As far as my experience 

 goes it is quite characteristic. The two kinos possess other 

 characteristics in common, one of which is the following. If they 

 be digested in water, and the turbid liquid be treated with ether, 

 two ethereal layers are formed, containing catechin in solution. 

 This substance may readily be obtained by evaporation of the 

 ether, and it possesses the characteristic odour of the kino from 

 which it was obtained, the residue insoluble in ether being quite 

 destitute of odour. The odoriferous principle (a volatile substance 

 allied to cinnamene or styrol) is, however, so small that an hour's 

 exposure of the ethereal extract to the atmosphere removes every 

 trace of it. 



The present sample had freshly exuded, is exceedingly brittle, has 

 a bright fracture, ruby with a tinge of brown ; colour of powder 

 orange-brown. So brittle is it that the lumps and vessels con- 

 taining it become readily coated with fine powder. 



In cold water it dissolves slowly, forming a liquid of the 

 colour of brown sherry if left undisturbed. With alcohol it yields 

 a pale orange-brown solution with a slightly muddy residue. 



2. The Valley, Blue Mountains, N.S.W., collected in April, 

 height 80-150 ft., cliam. 1-2 ft. 



The description of No. 1 will apply here with the following 

 exceptions. In bulk it is hardly so red as No. 1, while its powder 

 is of a dark buff colour. To cold water it behaves in the same 

 way as No. 1 ; it is, however, less turbid and lighter in colour. 

 With alcohol it yields a pale orange-brown solution. 



The following table shows the composition of the kinos described 

 in this paper, and I may observe that Angophora kinos would (if 

 Eucalypts) be placed in my "Turbid Group." 



