CRASSULACEJE. 
113 
2. Sedum Linn. 
* Root thick, many-headed. Leaves fat. 
f Flowers yellow. 
1. S. Rhodiola (DC.) ; root fleshy, 1. oblong dentate smooth, 
fl. dioecious by abortion, usually divided in fours. — E. B. 508. 
Rhodiola rosea Sm. — Fl. in a compact terminal cyme. L. acu- 
minate, with numerous parallel nerves in the place of a midrib, 
branching and anastomosing so as to cover the whole surface 
with a network of slender nerves. Root (rhizoma) large, having 
a remarkable smell. St. 0 — 8 in. high, simple. — Wet alpine 
rocks. P. VI. VII. Rose-root. 
ft Flowers white or purple. 
2. S. Telephium (L.) ; st. erect, 1. oval-oblong dentate smooth 
rounded at the base and sessile, corymb dense. — E. B. 1319. — 
R. Icon. t. 726. — St. 1 — 2 feet high. L. large and broad. In 
an allied species (S. maximum Siit., R. Icon. t. 727.) the 1. are 
cordate and semiamplexicaule at the base ; and in another (S. Te- 
lephium R. Fl. excurs. S. purpureum Tausch, Ann. Sc. Nat. 
1835. 55.) they are attenuated below. Koch states that the pet. 
of our plant are flat and slightly channeled at the point, whilst 
those of S. maximum are slightly hooded. — Hedge-banks on a 
gravelly soil. P. VII. VIII. Orpine. Live-lony. 
** Root small, weak, without any rooting shoots. L. subterete. 
3. S. villosum (L.) ; st. erect, 1. linear obtuse flat above not 
produced at the base, pet. ovate acute, stem. 1. and panicle glan- 
dular-pubescent. — E. B. 394. — St. 6. 12. — Pet. rose-coloured 
with a purple streak. St. 3 — 4 in. high. — Wet mountain pas- 
tures. P. (Sm.) B. (Koch) A. (DC.) VI. VII. E. S. 
*** Root small, producing rooting shoots, 
f Flowers white. 
4. S. album (L.) ; flowering st. erect, barren st. procumbent 
rooting, I. oblong cylindrical obtuse spreading, pet. lanceolate, 
panicle much branched glabrous.- — E. B. 1578. — Pet. white. St. 
4 — 5 in. high, purplish, leafy. — /3. turgidum (DC.) ; 1. oblong- 
ovate terete gibbous beneath. Perhaps a distinct species. S. tur- 
gidum Ram. — Rocks and walls, not common. P. VII. VIII. 
5. S. dasyphyllum (L.) ; flowering and barren st. procumbent, 
I. ovate obtuse fleshy gibbous sessile, pet. and sep. ovate obtuse, 
panicle small glandular-pubescent. — E. B. 656. — Pet. white. 
L. very thick, glaucous, often tinged with red, crowded and op- 
posite on the barren shoots. Flowering st. 3—1 in. long. — Rocks 
and walls, rare. P. ? VI. VII. 
