SEMPERVIVUM 



INDEX. 



SEMPERVIVUM 



1655 



ng. 



anomalum, 7. expansum. I. montanum. ; 



arachuoideum, 8. flagelliforme, 6. pumiluni, 7. 



arenarium, 13. glaucum, 3. Ruthenieum 



Atlantieum. 4. globiferum, 12. soboliferum, 



catcareum, 2. grandiflorura, 10. tei'tonim. 1. 



Califoniicum. 2. Heutfelii, 11. lumeiUosiun. 



Subgenus I. Sempervivum Proper. Floral parts 

 10 12 b 01 14 t, Lxi inded petals uidely sp. 

 Diiiiionl El odaufhw lis teddish 

 Groitp 1 C Imta Lii of the baireii loiettes glabio i. 

 on the fues ihcn natuie shottlj tihatcd on. th 

 edgeb onlj 



A. Std t t p nfl I- > -ip <• n 1 



B !■ I I III I 



1 tectorum 

 BB 1 I calcareum 



AA. hed I f J I 



4 Atlantieum 



B Petals btiqht ted 

 BB Petals pale ted 

 Group 2 P ih ire>ifia Lis of tht haiien shoots de- 

 cided! j i I f n f ices a^ uell as ciliated at the 

 edget, ttji ' ' tuft of spteadtng hans 

 A. Heiql t meiotii the 



I D montannm 



fl I ( JIagelhforme 



BB .B / t 



11 II 7 pumilum 



Grotip u 111 1 tl hail en 10 ettes 



stronglj III II U I f in i I ed u ill a 



tuft of bin III not flee j haiis at the cii ] (None 



in 0U1 trade ) 

 Group 4 iiachnoidea Diffeiinq 



from tie ntl n i In i fl 



tips 



tiette 

 like tl 



III II 



1 

 II 1 i 1 



^ arachnoideum 

 ( Fls yell I 

 height 



9 Buthenicum 



height 

 3-i ill 10 ^andiUorum 



SuBCENUS II DiopoGON I Ural paits m 6 s Co- 

 rolla permanently bell shaped uith ascending close 

 peta Is 

 A. Pet 1 1 If I II I liq I 



It II n HeuffeUi 



AA. Pet 1 1 II ell 



tei I 1 1 I I 1 t 11 



moti ipliitbjn bhndei '.t ilk 

 B Lis oboiate enneate V globiferum 



BB Ltb oblanceolate 1 arenarium 



1. teotdrum, Lmn Houseleek Old Man and Wo- 

 man Pig 2310 Height 1ft rosettes ^-4 m acios^ Iv.s. 

 obovate cuneate cuspidate 114-2 or finallj S m long, 

 pale green with a distinct re 1 1 r n n ti] i „hth t j a 

 sixth of an inch ling pan 1 I 4 !.■, 

 composed of in 1' so ij 1 1 1 1 i. 

 across petals pale red k I 1 I I j 1 i 

 mens often chinge 1 t j tl 1 I | | 1 ■. 

 Eu. Ouent —Jar expansum 11 i a 1 to 1 t e 

 broadei h s and moie oi en lu tttca 



2. calcareum Joi 1 {S Oil f i c im Hort ) Height 

 under 1 ft ) iiren losettes 2 in ilioss Ivs oblanceo- 

 Intp t glaucous «ith a distinct red brown 

 tM' [ anicle 3-4 m long and broad with 

 ^- i ches fls % in across petals pale 

 1' I the keel both on the back and face. 

 C';il< t Dauphmy 



3. gladcum Teiiore Height (-9 in.: barren rosettes 

 2-3 in. acros l\ s oblanceolate cuneate, less glaucous 

 than S. cat ai urn with onlj a very faint red-brown 

 spot at the tip ] uu les 2-3 m across: fls. 1 in. across; 

 petals bright rr 1 Siiiijlin \lps 



4. AtUnticum 1 11 i It n nlylft. : barren ro- 

 settes 2-3 11 1 1 I ...iate-cuneate, pale 

 green, hardh i nirle 3-4 in. across: 

 fls. lin. acr i i i I Vilas Mts. B.M. 6055 

 (as S. tectum \ I I I iiin -The Ivs. of the 

 flowering stem aie biifehtlj culuitd withered, excepting 

 towards the base 



2311. Spiderweb Ho 



5. montanum, Linn. Height G in. : barren rosettes 

 1^2-2 in. across, the new ones few, and borne on red 

 pilose peduncles 1-1J4 in. long: Ivs. 60-80 in a rosette: 

 panicle very dense, lK-2 in. across, the lowest fls, 

 nearly sessile: fls. 1-lH in. across, bright mauve-red. 

 Fls. about the end of June. Alps, Pyrenees. 



6. flagelliSbrme, Fisch. Height 3-4 in.: barren ro- 

 settes 1-lH in. across, the new ones long-peduncled: 

 Ivs. 40-50 in a rosette: fls. 6-8 in a dense head, all ses- 

 sile or nearly .so, 1 in. across or more ; petals bright 

 red. Fls. early in .June, before any other species. Na- 

 tive country uucertain. 



7. pilmilum, Bieh. (^^. rt«(5»(aZMm, Hort.). Height 3- 

 4 in.: barren rosettes at most 1 in. across, the new ones 

 numerous and short-peduncled : fls. 4-8, in a dense 

 head, all sessile or subsessile, 1 in. across ; petals 

 bright mauve-purple. Fls. in middle of June. Cauca- 



8. arachnoideum, Linn. Cobweb or Spider-web 

 Hou.seleek. Fig. 2311. Height 3-5 in.: barren rosettes 

 }4-% in. across, the new ones crowded and sessile: Ivs. 

 oblong-cuneate, pale green, the tips of nearly all con- 

 nected by long, soft, white hairs: panicle dense, few- 

 fld.: fls. less than 1 in. across; potals hritrht red. Py- 

 rciMMs to Tyrol. B.M. 68.-,S'. ^.w^„^.^■„„K ('. H. Lehm., 

 ^:ii(i til .lirtVr in having shortci-. hmm-c oliox atf-cuneate 

 l\^. aiMl ilutter and more coniiKict ro^ciir^ :iii<i a denser 

 w.'b, cmlil not be distinguished bv J. Li. Uaker. R.H. 

 1860, pp. 490, 491; 1898, p. 573. 



9. Buthenicum, Koch. Height 6-12 in. : barren ro- 

 settes l}i in. across, new ones few: Ivs. 40-50 in a ro- 

 sette, slightly pubescent glandular on the faces: fls. 

 pale yellow, less than 1 in. across. Eastern Eu. — Rare 

 in cult. 



