Ranunculus Sceleratus

Where do we find the pathogenesis of this remedy ?

In Stapf's Additions to the Materia Medica .

What is this drug, what part is used and when should it be gathered ?

It is the Celery-leaved Buttercup . The fresh herb is used and should be gathered when in fruit, but still green and untouched by frost.

How is the tincture prepared ?

Chop and pound the fresh herb to a fine pulp and enclose in a piece of new linen and submit to pressure. The expressed juice is then, by brisk agitation, mingled with an equal part, by weight, of alcohol. Let this mixture stand for eight days in a cool place, and then filter. Drug power, ½. The tincture is clear, reddish-orange color, acrid odor and taste, and acrid reaction.

How does this drug differ from the preceding ?

It possesses more irritating properties than the preceding.

It develops a vesicular eruption on the skin with tendency to form large blisters, from which exudes an acrid discharge, making the surrounding parts sore.

It differs from the bulbosus simply in the degree of its irritation.