{100° 3 
Inftances of the fuccefsful exhibition of this medicine, as cited by 
thefe authors, are very numerous ; indeed this remedy, under their 
management, feems rarely, if ever, to have failed. It appears, 
- however, that Murfinna, Ackermann# and Henning,’ were lefs 
fortunate in the employment of this plant; the laft of whom, — 
declares, that in the different cutaneous diforders in which he ufed. 
it, no benefit was derived. 
Haafe, who adminiftered this fpecies of violet in various forms, 
and large dofes, extended its ufe to many chronic diforders; and 
fiom the great number of ‘cafes in which it proved fuccefsful, we are. 
defirous of recommending it to a further trial in this country. 3 
It is remarkable that Bergius {peaks of this plant as a ufeful muci- 
laginous purgative, and takes no notice of its. eflicacy 1 in the crufta 
lactea, or in any other difeafe. _ 
€ Med. chirurg. Beobacht. 2. Samml. p-- 107. See. 
® See Comment. de rebus, Sc. vol. 27. 170. 
* See Beob. iiber einige Arzneymittel, p- 65». 
==. : ——as 
The remaining medicinal plants, belonging to this order, are the 
fpecies of the convolvulus, officinally called Mechoacanna, convol- 
vulus major, Turpethum and Soldanella; Dentaria or Plumbago 
europea: Viola canina, or dog’s violet, the roots of which have: 
lately been difcovered’to be both emetic and cathartic. 
PAPILONACEE. 
