94 LITMUS — LIVERWORT, AMERICAN. 



late Dr. Malone, of London, and speaks most highly of 

 its efficacy. 



" Take a large teaspoonful of Linseed, i ounce of 

 Liquorice Root and ^ lb. of best raisins. Put them into 

 2 quarts of soft water and simmer down to i quart. 

 Then add to it a £ lb. of brown sugar candy and a table- 

 spoonful of white wine vinegar or lemon juice. 

 Drink £ pint when going to bed and take a little when- 

 ever the cough is troublesome." 



N.B. — It is best to add the vinegar to that quantity 

 which is required for immediate use. 



Preparations — Powdered root : Dose, £-1 drachm. 

 Solid extract : Dose, i drachm. Fluid extract : Dose, 

 1-4 drachms. Compound powder, B.P. : Dose, 1-2 

 drachms. Solid extract in form of sticks known as 

 Liquorice Juice. 



1 itmiic Lecanora tartarea. 



Llimud * Roccella tinctoria. 



Synonym — Lacmus, Orchella, Orchil, Turnesole, 

 Tournesol, Persio, Cudbear. 



Part used — Pigment. 



Used as an analytical indicator. The prepared Litmus 

 is made into various forms, such as papers or tincture, 

 and as such used in chemistry for testing purposes. 

 The blue colour, which is natural, has the property of 

 turning to red whenever substances of an acid character 

 are brought into contact with it. This acquired red 

 colour will again return to blue in contact with alkalies. 



LIVERWORT, AMERICAN. Anemone hepatlca. 



Synonym — Kidneywort, Liverleaf, Hepatica triloba. 



Part used — Herb. 



Action — Tonic, astringent, pectoral. A mild remedy 

 in disorders of the liver, indigestion, &c. Possessing 

 pectoral properties, it may be used in coughs, bleeding 

 of the lungs and chest diseases. The infusion of 1 ounce 

 to a pint of boiling water is taken in doses of \ tea- 

 cupful frequently. 



Preparation — Fluid extract : Dose, £-2 drachms. 



