Important: Safety Warning
This page prescribes plants as medicine according to pre-modern medical theory. Several of the plants named are toxic, correct identification is difficult, and the doses given have no scientific basis. Do not ingest or apply any preparation described here.
This information has been left in for historical purposes but should not be acted upon.
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Crab's Claws
Names. Called also water-sengreen, knight's pondwater, water-houseleek, pond-weed, and fresh-water-soldier.
Description. It hath sundry long narrow leaves, with sharp prickles on the edges of them, also very sharp pointed; the stalks which bear flowers seldom grow so high as the leaves, bearing a forked head like a crab's claw, out of which comes a white flower, consisting of three leaves, with divers yellowish hairy threads in the middle: it taketh root in the mud, in the bottom of the water.
Place. It groweth plentifully in the fens of Lincolnshire. Time. It flowereth in June, and usually from thence till August. Government and virtues. It is a plant under the dominion of Venus, and therefore a great strengthener of the reins; it is excellent good in that inflammation which is commonly called St. Anthony's fire; if assuageth all inflammations and swellings in wounds; and an ointment made of it is excellent good to heal them: there is scarce a better remedy growing than this for such as have bruised their kidneys, and upon that account pissing blood. A drachm of the powder of the herb taken every morning, is a good remedy to stop the terms.