E am. 
OFFICIAL COPY. 
[All Rights Hescrved.] 
ROYAL GARDENS, KEW. 
BULLETIN 
OF 
MISCELLANEOUS INFORMATION. 
No. 23.] NOVEMBER. [1888. 
LX.—LAGOS RUBBER. 
(Ficus Vogelit, Miq.) 
'The investigation of plants likely to yield the caoutchouc of commerce 
s being carried out in West Tropical Africa by numerous corre- 
acad of Kew. Pos ssibly in no other part of the world is me 
such a wide field for investigation of this kind, and in recent years 
considerable trade in india-rubber has arisen through the exertions of 
officials and traders who have given attention to the subject. 
= numerous branches which support themselves on the neighbouring 
trees. gi rubber un the Gold Coast, known in commerce as Accra 
rubber the produée of Landolp ia owariensis, Beauv. This is 
probably ‘the best sacra plant in West Africa, The rubber is obtained 
by cutting off ae eee of the bark in strips varying in length from 
3 to 10 inches. The cuts are made sufficiently deep to reach the latex 
canals, and soon the crude juice starts out in drops and gathers on the 
newly-cut surface. The rubber of the Landolphia coagulates on 
exposure to the air and requires no preparation other than rolling it 
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1888, 
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