178 
Crassulaceee. 
— Pets spreading, acute ...... 15 
15. Ls lin ear-cylindric, prolonged at the base in a sort 
of spur which reaches below the point of insertion, 
not bitter to the taste. S. boloniense Loisl.—"Walls, hills 
with short grass; distrib. 6, 7 . sexangulare L. 876. 
— Ls oval, thick, without a spur at the base, with a 
bitter flavour. FIs less numerous than in the last.—As 
the last, and often confounded with it, but rather earlier 
acre L. 877. 
16 (13). Pets spreading, bright yellow. — Var.: PI. glaucous 
or (v. reflexura L.) of a bright green.—Dry, stony places, 
but not everywhere (wanting in L. U.). 7 rupestre L. 878.*) 
— Pets erect, pale yellow. S. anopetalum Dec.—As the last; 
Yeyrier, not far from Gieneva, formerly also near Lausanne. 7 
* ochroleucum Chaix. 879. 
207. Sempervivum. House-leek. XI, 1. 
1. Pets rose-coloured or lilac . .... 2 
— Pets yellow or yellowish white . ... 6 
2. Ls of the rosettes pubescent-glandular on both sides 3 
— Ls of the rosettes glabrous above or warty-glandular 5 
3. Ls of the rosettes bound together at the top by long, 
soft hairs, like a spider’s web.—d. Dcellianum Lehm. 
Spider’s-web hairs fewer, rosettes smaller. (Binnthal, 
Bernese Oberland.) —c. tomentosum Schnittsp. Webby in¬ 
dumentum very dense, white (Wall.).—Alp. and subalp., 
descending to the valleys. 7 . . arachnoideum L. 880. 
Ls of the rosettes not bound together by webbed hairs 1 
4. Ls of the rosettes long-ciliate, cilise much longer than 
the glandiferous hairs.— A.lp,; reported from the Parpaner 
Rothhorn in Graub.; Binnthal and Gemeinalp in Wall. 7 
Funckii Braun. 881. 
— Ls of the rosettes with short cilige, the cilia© scarcely 
longer than the glandiferous hairs.—Alp. 7 
montanum L. 882. 
5(2). Ls of the rosettes with rather stiff cilia© at the edges, 
glabr. at the point. 8. juratense Jord. —Rocky places, 
especially of the mountains and Alps, also cultivated 
on roofs and walls 7‘ . . . tectorum L. 883. **) 
*) S. arrigens Gren. PI. green, inflorescence erect before flowering, 
not reflexed, according to Gcen. Colorabier de Gex, Reculet. 
*) The following are probably allied to this species : S. Schnittspahnii 
Lagg., glaucurn Ten (acuminatum Schott?), valesiacum Lehm., and 
Mettenianum Lehm. Schn.-S. alpinum Grisb., differing in the hairy 
caul, ls, longer pets, cilite at the edges, of a fine rose-colour, in Graub. (Enga- 
dine, Ave s, Rheinwald, Bernhardin) according to Brugg., and in Tessin (Val 
Maggia) according to Christ. 
