Liquorice Tea 

Bruise half a dozen sticks of liquorice, pour a pint of boiling water over them, and let them steep, under a close cover, until the water is cold. 

This was found under the "Preparations for Invalids" section, but does not say when one should drink "liquorice" tea or what symptoms it might treat. 

Taken from The Practical Cook Book; Containing Upwards of One Thousand Receipts: Consisting of Directions for Selecting, Preparing and Cooking all Kinds of Meats, Fish, Poultry, and Game, Soups, Breads, Vegetables and Salads. Also for the Making of all Kinds of Plain and Fancy Breads, Pastries, Puddings, Cakes, Creams, Ices, Jellies, Preserves, Marmalades, etc. etc. etc. Together with Various Miscellaneious Receipts, and Numerous Preparations for Invalids. By Mrs. Bliss, Philadephia, E. Claxton and Company, 920 Market Street, 1882. page. 288