_Elm Bark._
QUALITIES. _Odour_, none; _Taste_, slightly bitter and mucilaginous.
CHEMICAL COMPOSITION. Gum, extractive, gallic acid, and super-tartrate
of potass. SOLUBILITY. Water is its appropriate solvent. MED. USES. It
has been commended in herpetic eruptions, but in the hands of Dr. Willan
and others it has not proved successful; it is one of those articles
that might be discarded from our Pharmacopœia with much propriety.
OFFICINAL PREP. _Decoct: Ulmi_. L.D.