126 34. CRASSULACE.E. 



2. SEDUM Linn. Stonecrop. 



* Root thick, many -headed. Leaves flat. 



t Flowers yellow, subdioecious, 4-parted. RHODIOLA Linn. 



1. S. Rhodiola (DC.); root fleshy, 1. oblong smooth. E. B. 

 508. Rhodiola rosea Sm. Fl. in a compact terminal cyme. 

 Stam. 8. L. acuminate, usually dentate in their upper half. 

 Root (rhizome) large, having a remarkable smell. St. 6 8 in. 

 high, simple. Wet alpine rocks. P. VI. VII. Rose-root. 



ft Flowers white or purple, perfect, 5-parted. 



2. S. Telephium(L.}; uppermost l.oooi-obkmg dentate rounded 

 at the base and sessile, lower 1. obovate or oblong narrowed be- 

 low, corymb dense, ovaries flattened and slightly furrowed on the 

 back.E. B. 1319. R. L 968. S. purpurascens Koch. St. 12 

 feet high. L. large and broad. Pet. recurved from the middle, 

 faintly channeled at the end. Stam. 10. [In S. maximum Sut, 

 R. I. 969. St. 83. 7, the lower 1. are broad, the uppermost cordate 

 at the base, the back of the ovaries convex.] Hedge-banks and 

 thickets. P. VII. VIII. Orpine. Live-long. 



3. S. purpureum (Tausch) ; 1. dentate oblong-lanceolate or 

 lanceolate all attenuated below, corymb dense, ovaries not fur- 

 rowed S. Fabaria Koch, St. 83. 9. Resembling S. Telephium. 

 Pet. spreading. Stam. 10. Hedges and thickets. P. VIII. 

 Orpine. Live-long. E. 



** Root small, weak, without any rooting shoots. L. subterete. 



4. S. villosum (L.) ; st. erect, 1. linear blunt flat above not 

 produced at the base, pet. ovate acute, 1. st. and panicle glandu- 

 lar-pubescent. E. B. 394. St. 6. 12. Pet. rose-coloured with 

 a purple streak. St. 3 4 in. high producing short barren shoots 

 below. Wet mountain pastures. B. VI. VII. E. S. 



*** Root small, producing rooting shoots. Leaves subterete. 



t Flowers white. 



5. S. album (L.) ; flowering st. erect, barren st. procumbent 

 rooting, I. oblong subcylindrical flattened above blunt spreading, 

 pet. lanceolate, panicle much branched glabrous. E. B. 1578. 

 Pet. white. St. 4 5 in. high, purplish, leafy. [j3. S. micranthum 

 (DC.) ; 1. oblong-obovate flattened on both sides obtuse.] Rocks 

 and walls, not common. [/3. In and near Arundel.] P. VII. VIII. 



6. S. dasyphyllum (L.) j flowering and barren st. procumbent, 

 I. ovoid blunt fleshy gibbous, pet. and sep. ovate obtuse, p an icle 



