26 ORD. VIII. Sarmentacez. coccULUS PALMATUS, 
usually, however, taken in the form of infusion, either alone, or in combina- 
tion with neutral or alkaline salts, aromatics or opiates, according as cir- 
cumstances may indicate. Off. The Root. Off. pp. Infusum calumbe, L.E. 
Tinct. Calumbe. L. E. D. 
ORD. XIV. RUBIACEZ. 
CINCHONA. | PERUVIAN BARK. 
Class Pentandria. Ord. Monogynia. 
Nat. Ord. Rubiacee, Juss. Cinchonacex, Lindley. 
THE entire genus of this valuable tribe of plants is indigenous to the New 
World; growing for the most part among mountainous regions, difficult of 
access, and in other respects affording but little encouragement to the 
mane traveller: To this cause we = soceibe oieis Seis genes want of 
tl ate 
ting ONC Of THE 
Lae 5S i bs 8 the vegetable 
world has jets ‘offered to mankind. Readie events, added to the valuable 
labours of: pharmaceutical chemistry, and the present enterprise and im- 
provement in that science, will, it is hoped, soon bring us better acquainted 
with the’ botanical characters of those species of cinchona, to which medicine 
is so much indebted. We believe the fact to be pretty well established, 
that there are many species of this tree, which yield a bark partaking more 
or less of the properties that distinguish the peruvian bark of commerce, 
although the distinctive characters of these species are still a desideratum 
in our botanical works: Ruiz and Pavon. have: described.. atteon species, 
