52 ENGLIS1I BOTANY. 



Section III.— EU-SEDTTM. 



Stem producing perennial procumbent or creeping barren sboots 

 as well as flowering-stems, tbe latter decaying each, year, but tbe 

 former remaining. Leaves more or less swollen. 



SPECIES IV.-SEDUM ALBUM. Linn. 

 Plate DXXIX 

 Stems branched, producing numerous procumbent rooting 

 barren sboots at the same time as tbe flowering ones. Leaves 

 rather approximate on the barren shoots, more distant on the flow- 

 ering portion of the stem, oblong-cylindrical or clavate-cylindrical, 

 flattened above, convex beneath, not spurred at tbe base on the 

 lower side, green, glabrous or nearly so. Flowers white, numerous, 

 in a terminal much-branched corymbose cyme ; branches of the 

 cyme and pedicels glabrous. 



Sub-Species I— Sedum teretifolium.* Haw. 

 Plate DXXIX. (Fig. 1.) 

 S. album, var. a, Bab. Man. Brit. Bot. ed. v. p. 130. 



Leaves on the barren shoots rather distant except at the apex, 

 oblong-cylindrical, considerably flattened above; those on tbe flow- 

 ering portions distant, spreading or reflexed. Sepals oval, obtuse. 

 Petals oblong-lanceolate, obtuse. 



On walls and rocks. Rare, and probably not native except in 

 the West of England, where it is said to be truly wild on the Mal- 

 vern Hills, Gloucestershire, and in Somersetshire. 



England. Perennial. Late Summer. 



Barren stems decumbent at the base, producing numerous root- 

 ing barren sboots, varying in length according to situation ; flower- 

 ing-stems 4 to 10 inches high. Leaves about -| inch long, very slightly 

 clavate, very succulent. Elowers j inch across, white. Sepals con- 

 cave, green. Petals twice as long as the sepals, boat-shaped, pure 

 white. Anthers yellowish. Pistils green or pink. Carpels obliquely 

 acuminated into a long beak. Whole plant bright green, glabrous 

 or with the stems slightly glandular. 



White Stone-crop. 

 French, Sedum Blame. German, Weisse FeUhenno. 



Niimeil S. i-ii album on the plate. 



