LARGE FLOWERING SPURGE. 427 
attending it, are, that if given in small doses, for 
a purgative, it is apt to produce nausea; while in 
the large doses suitable for an emetic, it some- 
times has induced a degree of hypercatharsis. 
But it must be observed, that many of the medi- 
cines, in common use, may occasion similar 
consequences in persons of.peculiar habit and 
irritable fibre. Future experiment will, no doubt, 
determine whether the Euphorbia corollata is 
any more irregular and unmanageable than other 
medicines of its kind, or whether it is entitled to 
a permanent and useful wee! in the — 
Medica. ) 
Many, and perhaps all the species of ’ Rapholi 
bia are powerful external stimulants. Several 
are used as a sort of caustic to destroy warts. 
The gum, called Euphorbium, produced by the 
Euphorbia officinarum, is a strong vesicatory, 
employed by farriers, and sometimes used to 
adulterate the plaister of Cantharides. The 
blistering power of K. corollata has been stated 
by Dr. Zollickoffer. This active genus of plants 
deserves a thorough investigation with a view to 
this particular property, to determine whether 
they are safe and manageable —— or 
virulent sy uncertain. i airs 79 
