jab 
or 
Or. 
Ficus are usually irregular ly branched and are m so straight. The 
milk of this tree coagulates ee. " taken from the tree. Most 
india-rubbers do not, and many h o be digito by Alkalis, 
Some of the milks can be kept for Put and artieles may be painted 
with them, when the rubber will dry and make a good hard coating. I 
lave mended my air pillows, &c. in this wa 
But this cold region rubber will not kee eep, and it evidently contains 
a 
(Signed) i B. Wuirrk. 
Wii 1s Thiselton Dyer, Esq 
Director, Royal aridi: Kew. 
P.S.—I — a leaf eei its scaly stipules and peculiar glands ? at 
base. The leaves are alternate whorled. 
[ There could bo little mes that this leaf — toa form of Sapium 
biglandulosum.] 
Mr. R. Tnuowsow to RoYat GARDENS, Kew. 
162, Belsize Road, London, N MW. 
Sir, 14th May 1890, 
Wir reference to the conversation I had with Mr. Morris, the 
Assistant Picos. on the 26th ultimo, E: a subject of my correspon- 
dence with the India Office relative to introduction into India of 
the cultivation of Colombia gen bes. I QE Y beg leave to 
S the following remarks : 
As I informed Mr. Morris E is to be mogron that your letter on 
this subject, addressed to me in Colombia, never came to hand. I now 
have to thank you for a COPI. of the lost er. dated the 16th July 1589, 
which I received some days ago. 
Having informed Mr. Morris that I possess drawings of the inflo- 
rescence, &c. of this species of rubber, at his suggestion “Tsu mitted the 
"m 
variation is eL d marked. The eng too, in the e E. 
n are in point of size several times larger than the others. 
pecimens. 
In addition to the Aus ielding species in i quesos, there are 
very distinct es o f this a widely distributed in the ine er 
Colombia, all of which contain large xxu of milky j em 
however, does teda coagulate on exposure to the air, as Milk m en 
the rubber-yielding species. Thus, on n account si milky jul 
