Saxifraga rotundifolia alba C. B. Saxi-fraga granulata Linn. White saxifrage: a plant with kidney-shaped crenated yellowish-green leaves, and round slender purplish branched stalks, on the tops of which grow short loose spikes of pentapetalous white flowers, followed each by a two-horned capsule full of small seeds: the root is composed of small fibres, with a number of little tubercles among them, about the size of pepper-corns, containing under a chaffy covering, irregular whitish bodies somewhat brittle like the kernels of fruits. It is perennial, grows wild in sandy pasture-grounds, and flowers in May: the leaves and stalks wither soon after flowering, and by degrees the tubercles of the roots also disappear.

The leaves of this plant, of little or no smell, and of a weak unpleasant taste; and the tubercles of the roots, improperly called seeds, of no smell, and in taste sweetish with a very slight acrimony; are recommended as aperients and diuretics, in obstructions of the menses, stranguries, and nephritic cases. Among us, they have long been disused, and unknown in the shops; a more common plant, of the same name, but of a different genus, and of more activity, having generally supplied their place, viz.