Essence.
These are crushed stems and flowers; its seeds are yellow, reddish, similar in shape to sumac seeds, but not so red.
Choice.
Galen says: “Its fruits are given to drink, not limited to its seeds alone.”
Nature.
Hot to the third degree, dry to the limit of the third.
Actions and properties.
Dissolving, opening blockages, liquefying, dissolving.
Tumors and acne.
Helps with cold tumors and large hardenings.
Wounds and ulcers.
A medicinal dressing made from its leaves helps against fire burns and heals large wounds and malignant ulcers. Crush the leaves and sprinkle them on loose and rotten ulcers, this is beneficial.
Tools with joints.
St. John's wort, boiled in wine, helps with hip pain and inflammation of the sciatic nerve, especially if you drink this medicine for forty days in a row. It cures inflammation of the sciatic nerve.
Eruption organs.
St. John's wort strongly drives urine, but its special property is to drive menstruation; Its fruits weaken with black bile.
Substitutes.
It is replaced by an equal weight of aromatic rush and the same amount of caper roots.