ACCOUNT OF GENUS SEDUM AS FOUND IN CULTIVATION. 281 



A rather small group of wide range, its most remarkable members 

 being a few striking biennials from the Caucasus region. The species. 



A 



a b 



Fig. i6.\. — Leaves of the rupestre group, a, reflexum ; b, rupestre ; c, ano- 

 petalum ; d, altissimum ; e, stenopetalum ; f, pruinatum ; g, ample xicaule. 

 All X 2. 



at least those in cultivation, divide themselves into two well-marked 

 sub-groups, 



A. Sempervivoides sensu restricto. Rosettes Sempervivum- 

 like, inflorescence dense, leaves sessile, flowers red or reddish : — 



sempervivoides Fischer indicum Hamet 



pilosum M. Bieb. 



B. Cepaea sensu restricto. Rosettes lax, inflorescence very lax, 

 leaves stalked, flowers white or yellow. 



Cepaea L. viscosum Praeger. 



While the Sempervivoides group is almost confined to the Asia 

 Minor area, the Cepaea group is mainly Chinese amd includes several 

 well-marked plants in both the white-flowered and the yellow-flowered 

 sections. 



A. Sempervivoides s.s. 



137. Sedum sempervivoides Fischer (fig. 165). 



5. sempervivoides Fischer ex M. von Bieberstein, "Flora Tauriqo- 

 Caucas.," 3, 313, 1819. Masters in Ga^(?. Chron. 1878, ii. 750. 

 Hamet in Trd. Bat. Sada (Tiflis), 8, pt. iii. 26. 



Synonym. — 5. sempervivum Ledebour ex Sprengel " Systema," 2, 434. 

 Boissier, " Flor. Orient.," 2, 786. 



Illustrations. — Gard. Chron. 1898, i. fig. 7. Bot. Mag. pi. 2174. Garden, 

 19.354. 1881. Kegel, "Gartenflora,"tab. 551, 1155. Link " Icones," 1,57. Revue 

 Horticole, s6r. 2, 6, 5. 



A beautiful and remarkable Sedum, allied to the equally remark- 

 able S. pilosum, from which it differs in its much laxer leaf-rosette, 



