780 ORD. XLVI. Ensate. ®IRIS PSEUDACORUS.. 
its juice are strongly cathartic, insomuch that 80 drops of the 
jatter produced repeated evacuations, after jalap, gamboge, &c. 
had failed, and by continuing its use in an increased dose, it cured 
an inveterate dropsy.° Hence Beng res says, ** Virtus. recent. 
hydragoga, purgans. siccat. adstringens.” The expressed juice is 
likewise said to be an useful applicatisa to serpiginous eruptions 
and scrophulous tumours.‘ 
e 
*“* By this time the strongest cathartics, such as Jalap, Gamboge, 
Mercury, &c. were quite ineffectual: whereupon Dr. Rutherford ordered 80 
drops of the succus radicis, Iridis palustris, to be given every hour or two in 
a little syrup of buckthorn, which had very immediate effects, making him pass 
several Scots ars of water by stool that very night.” Medical Essays, vol. 5. 
may here remark, that this juice is very uncertain in its operation: 
mai which is enone from the old roots is the most active. 
* Murray Ap. Med. vol. 5. p. 277. Lewis Mat. Med. 359. 
