SHEPHERD'S PURSE (Capsella bursa-pastoris) Annual Medicinal Labour Menstruation PREGNANCY CAUTION Sow: early or late spring Seeds: $1.25/pkg (Richters, Canada) Its high concentrations of tannin, tyramine, and other amines are very helpful in arresting the flow of excessive bleeding. Use FRESH or tinctured from fresh plant material for maximum effectiveness. Tinctures made of fresh herb are almost always effective in curbing excessive bleeding and are included in the birthing kits of most midwives. Infusion is excellent for stoping internal and external hemorrhages. Recommended for excessive menstruation. Arrests internal and external bleeding during childbirth. PREGNANCY ALERT: Because shepherd's purse is high in oxytocin, a uterine contractor, it should not be taken during pregnancy. However, it may help stimulate contractions at the end of labor.