thinking that. you would help us in this, we ha ave sent 
address per Globe Parcel Express, carriage p 
l these samples as per enclosed list. He is anxious to get the natives to 
great abundance, but no rubber is taken from them, as until quite 
recently the natives did not know that there was any value in it, 2 
- even now they do not know how to make the rubber from t i 
In order to teach thein and secure the best plants, he has sent hi 
specimens of the leaves of four common kinds of vines with the nat 
names, and if you can give us the scientific names we shall feel much 
obliged. He sends also the rubber from them, but, as you will see, it is 
very badly made. Can you say which is the most valuable of res 
four vi id ? 
x of the four specimens sent were wholly inadequate for am 
5 "inier. But one called Npok was identifiable as Landolp 
. owariensis which is found from Sierra Leone to Angola, and is 
doubt the most important source of West African rubber. ee K 
Report for 1880, p. 38. | 
An investigation into india-rubber milk received at Kew from = 
Niger delta is described in the following correspondence 
38, Elthiron A: Ful m, SW. dos 
Dear Sr, Foer a 1888. 
SEVERAL € to whom I have ipid. for information about 
m 
h 
of your notice, [ will mos furnish you wi sina a ma r sam for 
ex perinietta} or other Vues 
Hor ap endo S 60s 
7w T. ‘Thiselton Dyer, ws 
beige = Kew. 
| |. Rovar ZU Kew, to Mr. JAMES Cock Ra : : 
E loyal Gardens, a es November 1888 
- 1 pee to forward gemiye a copy of a report received from 
S. W. Silver, Esq., F.L.S., on the sample of Aknet milk from the | 
