Aconitum napellus Regarding each drug of the materia medica as possessed of individual specific properties peculiar to itself, and which preclude its being a substitute for, or being superseded by,

Achillea millefolium MILLEFOIL. YARROW   This wayside drug produces haemorrhage from all the mucous surfaces. The haemorrhage is painless, and the blood very light colored and fluid. In painless drainings from