Aethusa Æthusa cynapium. Fool’s Parsley. (Europe.) N. O. Umbelliferae. Tincture of whole flowering plant.   Clinical.-Brain-fag. Cholera infantum. Convulsions. Cough. Delirium. Diarrhoea. Dyspepsia. Ear, discharge from. Epilepsy. Excoriation. Eyes, affections