114 
CRASSULACEiE. 
C. S. angUeum (Huds.) ; st. procumbent at the base ascend- 
ing, I. ovate fleshy gibbous spurred at the base, pet. lanceolate 
acute, sep. ovate bluntish, cyme bifid smooth. — E. B. 171. — Pet. 
white spotted with red. L. mostly alternate. Flowering st. 3 — 6 
in. long. — Sandy and rocky places. A. VII. VIII. 
ft Flowers yellow. 
7. S. acre (L.) j 1. ovate thick tumid spurred at the base, pet. 
lanceolate acute, sep. ovate obtuse (jibbous at the base, cyme trifid 
smooth. — E. B. 839. — L. closely imbricated on the barren shoots, 
very acrid. — Walls, rocks and sandy ground. P. VI. VII. Wall 
Pepper. 
8. S. sexangulare (L.) ; I. linear obtuse terete spurred at the 
base, pet. lanceolate acute, sep. lanceolate acute not gibbous, cyme 
trifid smooth. — E. B. 1946. — L. much longer than in the last, 
arranged in 6 rows on the barren shoots. I have seen no British, 
specimens. — On old walls, very rare. P. VII. E. S. 
9. S. refiexnm (L.) ; I. subulate scattered spurred at the base 
convex on both sides the lowermost recurved, fl. cymose, sep. ovate 
rather acute, pet. lanceolate obtuse. — E. B. 695. — Barren st. 
long with numerous patent or reflexed branches. Cyme nearly 
level-topped, its outer branches spreading or even recurved. — 
fl. glaucum ; 1. more slender glaucous not recurved. S. glaucum 
(Sm.) E. B. 2477. — Walls, common, fl. Dry hills, rare. P. 
VII. VIII. 
10. S. rupestre (L.) ; I. linear-lanceolate spurred at the base 
flattened, fl. imperfectly cymose-, sep. elliptical obtuse, pet. lan- 
ceolate. — E. B. 170. S. elegans Lej., Koch. — Barren st. short 
with densely imbricated adpressed leaves. Fl. more corymbose 
than cymose. — On limestone rocks. Bristol. Cheddar. Ormes 
Head, &c. P. VI. VII. 
11. S . forsterianum (Sm.) ; 1. lanceolate spurred at the base 
flattened, cyme round-topped compact, sep. elliptical, pet. lan- 
ceolate. — E. B. 1802. — Barren st. short, erect, densely leafy, 
I. forming small roselike tufts. Fl. truly cymose. Very different 
from the last in general appearance but difficult to distinguish 
on paper. — Rocks in Wales and Shropshire. P. VI. VII. E. 
3. Sempervivum Linn. 
*1. S. tectorum (L.) ; 1. glabrous ciliated, pet. 12 or more en- 
tire at the margins, hypogynous scales short convex resembling 
glands. — E. B. 1320. — L. succulent, forming large roselike 
tufts. — Walls and roofs, common. P. VII. HouseleeJc. 
4. Cotyledon Linn. 
1. C. Umbilicus (L.) ; lower 1. peltate concave orbicular, bracts 
