It is generally so well known that it needeth no description.
Place. It groweth in every country of this land, by the high-way sides, and by foot paths in fields; as also by the sides of old walls.
Time. It springeth up late in the spring, and abideth until the winter, when all the branches perish.
Government and virtues. Saturn seems to me to own the herb, and yet some hold the Sun; out of doubt 'tis Saturn. The juice of the common kind of knotgrass is most effectual to stay bleeding of the mouth, being drank in steeled or red wine; and the bleeding at the nose, to be applied to the forehead or temples, or to be squirted up into the nostrils. It is no less effectual to cool and temper the heat of the blood and stomach, and to stay any flux of the blood and humours, as lasks, bloody-flux, women's courses and running of the reins. It is singular good to provoke urine, help the stranguary, and allay the heat that cometh thereby; and is powerful by urine to expel the gravel or stone in the kidneys and bladder, a dram of the powder of the herb being taken in wine for many days together; Being boiled in wine and drank, it is profitable to those that are stung or bitten by venomous creatures; and very effectual to stay all defluctions of rheumatic humours upon the stomach, and killeth worms in the belly or stomach, quieteth inward pains that arise from the heat, sharpness and corruption of blood and choler. The distilled water hereof taken by itself or with the powder of the herb or seed, is very effectual to all the purposes aforesaid, and is accounted one of the most sovereigu remedies to cool all manner of inflammations, breaking out through heat, hot swellings, and imposthumes, gangrene and fistulous cankers, or foul filthy ulcers, being applied or put into them: but especially for all sorts of ulcers and sores happening in the privy parts of men or women. It helpeth all fresh and green wounds, and speedily healeth them. The juice dropped in the ears, cleanseth them being foul, and having running matter in them.
It is very prevalent for the premises; as also for broken joints and ruptures.