Succulent herbs (except in one genus), chiefly differing from Saxifragaceae in having symmetrical flowers, the sepals, petals and carpels being the same in number, and the stamens either as many or twice as many.
1. Pen'thorum. Not succulent. The carpels united, forming a 5celled pod.
2. Sedum. Succulent. Carpels distinct.
Gronov. Ditch Stone-crop. P. sedoi'des, Gronov. Not succulent. Sepals 5. Petals 5, if any; sometimes wanting. Stamens 10. Pod 5-angled, 5-horned, and 5-celled. Leaves scattered, lanceolate, acute at both ends. A homely weed, with greenish-yellow flowers in a loose cyme. - Wet places. (Parts of the flowers occasionally in sixes or sevens.)
Tourn. Stone-crop. Orpine. 1. S. acre, L. (Mossy Stone-crop.) Leaves very thick and succulent, crowded, very small. Petals yellow. A spreading moss-like plant, which has escaped from cultivation in many places. - Roadsides.
2. S. Tele'phium, L. (Live-for-ever.) Stems tall and stout. Leaves oval, toothed. Flowers in compound cymes, petals purple. Sepals, petals, and carpels 5 each. Stamen 10. (Int. from Eu.)
3. S. Rhodi'ola, DC. (Rose-root.) Stems 5-10 inches high. Flowers dioecious, greenish - yellow or purplish. Stamens mostly 8, other parts in fours. - Rocky shores, Atl. Prov.