, it is useful in chronic or old-standing rheumatism and hysteria.
Doses of preparations
.—Of the
gum
, from ten to fifteen grains as pills;
tincture
, from fifteen minims to one drachm. It may be made into an emulsion with mucilage and water.
707. Valerian
Valerian is a powerful antispasmodic, tonic, and excitant, acting chiefly on the nervous centres.