Black Cohosh. ]

BLACK COHOSH (_Macrotys or Cimicifuga Racemosa_) The part used is the
root. Its other common names are Black Snake-root, or Squaw-root. Black
Cohosh is an alterative stimulant, nervine, diaphoretic, tonic, and a
cerebro-spinal stimulant. It is a useful remedy. _Dose_--Of decoction,
one-fourth to one ounce; of tincture, ten to fifteen drops; of fluid
extract, five to ten drops; of the concentrated principle, Macrotin,
one-eighth to one-half grain.

[Illustration: Fig. 115.
Blood-root. ]

BLOOD-ROOT (_Sanguinaria Canadensis_), is also known as Red Puccoon. The
part used is the root. In minute doses Blood-root is a valuable
alterative, acting upon the biliary secretion and improving the
circulation and digestion. _Dose_--Of powdered root, one-fourth to
one-half grain; of tincture, one to two drops; of the fluid extract,
one-half to one drop. When given in a fluid form it should be well
diluted.

BURDOCK (_Arctium Lappa_). The root is the part used. Burdock is a
valuable alterative in diseases of the blood. _Dose_--Of tincture, from
one teaspoonful to a tablespoonful twenty minutes before meals; of fluid
extract, one to two teaspoonfuls.

BLUE FLAG (_Iris Versicolor_). The part used is the root. _Dose_--Of the
tincture, five to ten drops; of fluid extract, three to ten drops; of
concentrated principle, Iridin, one-half to two grains.