231. Rafanos: i.e. horse radish; hot and dry in the second degree. If its roots be pounded, put in vinegar for three days, boiled thereafter, have sugar put in it, and it be drunk with one-third water before going to bed and when getting up, it will serve against quotidian fever and false tertian fever, and this compound is called oxyzacara. That same syrup may be drunk against oppilation of the liver and spleen. If the foliage of the same herb be boiled in wine or in pig lard, and applied as a plaster over the liver, it will release its oppilation and hardness. If the same plaster be put on the navel, it will cure stranguria and dysuria. If the juice of the same herb be put warm in the ear, it will help with pain and deafness of the ear; any diuretic herb that has lost its efficacy, this herb will restore its efficacy if it be mixed with roots of this herb. If the roots of this herb be pounded and put in vinegar for a night and strained the next morning, and warm water be added to it, and it be administered as an emetic, it will purge the gross viscous humours that are in the stomach; a diuretic oximel is made of the roots of this herb together with roots of fennel, parsley, celery, burnet, maidenhair spleenwort, and hart's tongue fern, when it is boiled in