JAN. — MAR. 1857.] Peruvian Barh-iree. 
237 
little of what has been done by means of botanical gardens in the 
Netherlands, and by one private person, Mr. J. ^'illink, in the 
cause of this weighty matter, although those endeavours alone 
would not, in our opinion, have attained the object of the importa- 
tion. 
*' From the Botanical Garden at Amsterdam the Professor Mi- 
quel sent several Quinquina plants to Java. The results of the 
sending out of a Quinquina- tree to Java in 1847, under the name 
of Cinchona alha^ were very favourable. This tree, after having 
blossomed at Java, was called there Cascarilla Muzonensis^ Wedd., 
or CincJiona 3Juzonensts, Gaud. Mr. Teysmann occupied himself 
with the management c( this tree, which is a shrub, and quickly 
obtained from it more than a hundred plants. 
" To promote the chemical investigation of this sort of Quinqui- 
na, a few branches were sent to Mr. Rost van Tonningen, then apo- 
thecary at the Government Laboratory at Batavia ; an analysis of 
which, on account of the small quantity of bark, was not easy. 
There was no Quinine in it, but a resin which unmistakably had the 
smell of Quinquina resin, and deserved further inquiry as soon as a 
larger quantity of the bark should be obtained. He determined to 
make a second analysis, when the trees should be older, and he 
should have a larger quantity of the bark.* 
*' We remark here, that till now it is not known at what period 
the alkaloids develop themselves ; and we may expect that a fur- 
ther analysis of the bark of this sort, furnished by the justly-cele- 
brated Botanical Garden of Amsterdam to Dutch East India, will 
afford us a new subject of information. We may not omit to 
mention that, for our chemists in Dutch East India, a new field of 
inquiry is opening, which may be of great importance to the very 
difficult, and as yet imperfect, chemical history of Quinquina barks. 
" From the Botanical Garden at Amsterdam, besides the exports 
made by order of the Minister, plants of Cinchona Calisaya were 
successively sent to East India,— as in April, 1851, six plants; 
December, 1851, three plants; July, 1852, four plants. Mr. Wil- 
♦ The result of the inquiry of Mr. Rost vaa Tonningen was published in the Nat. 
Tydschrift (Batavia, 1852). 
