Note on Lo-Kao. 
apparently not distinguishable in the herbarium. At all events 
no mention is made of them by Forbes and Hemsley, loc. cit. 
Unfortunately there is no note on the Calcutta specimen to in¬ 
dicate which of the two is here preserved. 
The process is as follows 
“ \si .—To take the two kinds, strip the leaves off them, chop 
“ them up into convenient lengths and boil thoroughly. 
2nd .—To leave the residuum undisturbed for three days 
“ and then put it into large earthenware vessels. 
“ —The colouring matter is then taken up by immersion 
“ of cotton cloth prepared with lime. 
“ 4^'//. After five or six immersions the colour is washed from 
“ the cotton and again boiled. 
“ 5^/^. —Lastly, it is again taken up on cotton yarn and then 
“ sprinkled on thin paper and thoroughly dried.” 
Printed by Umhica Churn Shome, at the New Britannia Press, 7S, Amherst Street, Calcutta. 
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