Also known as Great Water Dock, Patience Dock, Red Dock, Round-leaved, Sharp-pointed Dock, and Yellow Dock. Patience Dock is considered good for jaundice, also has a gentle laxative action. Round-leaved Dock was formerly given for the cure of boils. Sharp-pointed Dock , the root has been used in drinks and decoctions for scurvy and as a general blood cleanser, and used for outward application to cutaneous eruptions, in the form of an ointment, made by beating it up with lard. Yellow Dock is applicable to all the purposes for which the other species are used. The root has laxative, alterative and mildly tonic action, and can be freely used as a tonic and laxative in bilious complaints, rheumatism, and as an astringent in piles, bleedings of the lungs, etc. Mostly prescribed for diseases of the blood, from a spring eruption, to scurvy, scrofula and chronic skin diseases. Also useful in jaundice and as a tonic to the stomach and the system in general. Red Dock, or Water Dock, has properties very similar to those of the Yellow Dock. Its powers as a tonic are, perhaps more marked than the previous species. For internal use, it is given in an infusion, in wine glassfull doses. Externally it is used as an application for eruptive and scorbutic diseases, ulcers and sores, used for cleansing ulcers in affections of the mouth, etc. As a powder, it has cleansing and detergent effect upon the teeth. Great Water Dockis strongly astringent, and powdered makes a good dentifrice. The astringent qualities of the root render it good in case of diarrhea, the seeds (as with the other Docks) having been used for the same purpose. The green leaves are said to be an excellent application for ulcers of the eyes