408 EUPHORBIA IPECACUANHA. 
pia, dulcis, peplus, exigua, Cyparissias, palustris, 
and Characias. Professor Murray has collected 
details respecting the operation of most of these, 
from various medical authorities. It appears 
that they all excite vomiting or purging, and in 
large doses bring on violent burning pains of the 
stomach and bowels, heat and thirst, followed by 
great prostration of strength, cold sweats, and in 
some instance, death. In small quantities, how- 
ever, they have been used as medicines with 
safety, although some of them are uncertain in 
regard to their dose, and difficult to pratieds in 
— operation. [Note B.] wits Haw 
~The genus Euphorbia comprises a vast num- 
ber of species, of different habit, size and mode 
of growth. The flowers are frequently minute, 
very complex, and difficult of examination. They 
haye a calyciform involucrum with four or five 
segments like peials, and the same number of 
interior segments like nectaries, ‘Stamens twelve 
or more. Filaments articulated. Fertile flower 
solitary, stipitate, naked, Styles three, bifid. 
Capsule three seededi—The species Ipecacuanha 
is procumbent, wilh opposite, obovate, oblong or 
linear leaves; peduncles awillary, one flowered, 
elongated. 
