236 CKASSULACE.E. 



never attaining maturity. The leaves contain malic 

 acid, the same acid which is found in the apple. Fl. 

 July. Perennial. 



4. SEDUM (Stonecrop). 

 * Leaves flat ; root thick. 



1. S. TeUphium (Orpine, or Live-long). Leaves 

 oblong egg-shaped, serrated ; stems erect. The largest 

 British species, and well distinguished, not only by its 

 terminal corymbs of purple flowers, but by its large, 

 broad leaves. It grows about 2 feet high, in bushy 

 places, and is remarkable for the length of time that 

 it will continue fresh after being gathered ; whence 

 it derives its name, Live-long. Fl. July, August. 

 Perennial. 



2. S. Rhodiola (Eose-root). Stamens and pistils on 

 separate plants. A succulent, broad-leaved plant, with 

 the habit of the last species, but stouter. Abundant 

 on mountains in Scotland, Ireland, and the north of 

 England, and found also on sea-cliffs. The flowers are 

 greenish yellow, and grow in compact terminal cymes 

 on simple stems, 6 10 inches high ; roots thick and 

 knotted, having the perfume of rose-water. This plant 

 is sometimes placed in a separate genus, Rhodiola. Fl. 

 June. Perennial. 



** Leaves scarcely, if at all, flattened ; flowers white. 



3. S. Anglicum (English Stonecrop). Leaves egg- 

 shaped, fleshy, spurred at the base beneath, sessile ; 

 cymes 2-cleft ; petals very sharp. Eocky and sandy 

 places, especially near the sea. A small plant, 3 4 

 inches high, with stems which at first are prostrate and 

 rooting, afterwards erect the leaves are mostly alter- 

 nate, often tinged with red, small, and very thick ; the 

 flowers conspicuous from their star-like form, their white 

 petals spotted with red, and bright purple anthers. 

 Fl. June, July. Annual. 



4. S. album (White Stonecrop). Leaves oblong, 

 cylindrical, blunt, spreading ; cyme much branched, 



