To live in a place where there is rain, and in a place where the villagers don’t make charcoal out of every available woody plant.
The forked twigs of Witch Hazel are preferred as divining rods. An extract of the plant is used in the astringent witch hazel. The bark and leaves were used by native Americans in the treatment of external inflammations. Pond’s Extract was a popular distillation of the bark in dilute alcohol.–Wikipedia