The leaves and flowering tops of a California plant. It is a stimulant expectorant and a diuretic; in large doses depressant, causing nausea and vomiting, and lowering the rate of the heart, temperature, and respirations. It is sometimes used as an inhalation.

In cases of poisoning by Rhus toxicodendron, or poison ivy, it is said to be an excellent remedy, the fluid extract being applied locally, largely diluted.

Average dose of the fluid extract,  xxx.-2 mils.