Decoction of Iceland Moss

Syn. Decoction of liverwort ; Decoctum cetrariæ (Ph. L.); D. lichen is Islandici (Ph. D.); D. lichen is (Ph. L. 1824.) Prep. 1. (Ph. L.) Liverwort (Iceland mo ), 5 dr.; wecm 1 1 ⁄ 2 ; pint; boil to a pint, and strain. 2. (Ph. D.) Iceland mo , 1 oz.; water, 1 1 ⁄ 2 pint; boil for 10 minutes in a covered ve el, and strain. Nutritious, demulcent, pectoral, and tonic.— Dose , 1 to 4 fl. oz., every 3 or 4 hours; in chronic affections of the chest and stomach, especially pulmonary consumption, old coughs, dyspepsia, chronic diarrhœa, and dysentery. It may be flavoured and sweetened; milk is frequently added to it. The bitter matter may be removed by steeping the mo for some time in pretty warm water, or in cold water, to which a very little carbonate of potash has been added. Without this is done, it is intensely bitter and nauseous.