AN ENCYCLOPEDIA OF HORTICULTURE. 



417 



Sempervivum continued. 



S. a. variegatum (variegated). I. green, margined with creamy- 

 white. 



S. arenarium (sand-loving).* fl. six-parted, many in a dense 

 head, 2in. to Sin. in diameter ; petals pale yellow, iin. to gin. 

 long, distinctly tricuspidate. Summer. I. sixty to eighty to a 

 rosette, oblanceolate, acute, not cuspidate, minutely ciliated on 

 the edges ; outer ones a little tinted with red-brown, iin. to Jin. 

 long. Flowering stem 6in. to 9in. long, finely pubescent, the 

 crowded leaves strongly ciliated on the margins. Rosettes (and 

 general habit) as in S. soboliferum. Tyrol, 1879. SYN. S. eor- 

 nutum. 



S. arvernense (Auvergne). fl., petals pale pink, Jin. to 4in. 

 long : filaments and anthers red : panicle 2in. to Sin. long and 

 broad, the lower flowers distinctly pedicellate. Summer. 

 I. oblanceolate-cuneate, cuspidate, bright pale green, the outer 

 ones lin. to IJin. long, the edges regularly ciliated. Flowering 

 stem 6in. to Sin. long, the lower leaves about lin. long. Barren 

 rosettes liin. to 2in. in diameter. Central France. 



S. assimile (similar), fl. Jin. in diameter ; calyx densely pubes- 

 cent; petals pale rose, linear. July. L sixty to eighty to a 

 rosette, obovate-cuneate, cuspidate, pale glaucous-green, not red- 

 tipped, shortly ciliated on the margins, minutely pubescent on 

 the face, the outer ones Jin. to lin. long. Flowering stem about 

 6in. long. Barren rosettes liin. to 2in. broad. Tyrol. 



S. atlanticum (Atlantic).* fl. pale red, lin. in diameter, twelve- 

 parted ; calyx segments twice as long as the tube ; panicle short, 

 3in. to 4in. in diameter. Summer. I. oblanceolate-cuneate, 

 cuspidate, pale green, glabrous when mature, scarcely tipped 

 with red-brown, ciliated on the margins, the outer ones lin. to 

 IJin. long. Flowering stem nearly 1ft. long, its leaves much 

 tinted with red-brown. Barren rosettes 2in. to 3in. in diameter. 

 Greater Atlas, 1873. (B. M. 6055, under name of & Uetorum 

 atlanticum.) 



FIG. 474 



S. aureum (golden).* fl. yellow ; petals twenty, linear ; stamens 

 also twenty; panicle dichotomously-branched, many-flowered. 

 July and August. I. obovate-spathulate, with membranonsly 

 cartilaginous, quite entire margins, glaucous. Stem erect, gla- 

 brous, h. 1ft. Teneriffe, 1815. Greenhouse, herbaceous snb- 

 shrub. SY.NS. S. oUii, S. calyci/orme (B. R. 892), Greenona 

 aurevm (B. M. 4087). 



S. barbatnlnm (slightly bearded). /. nine to twelve-parted; 

 petals rose-red, jin. long ; panicle compact, few-flowered, densely 

 pilose. I. oblanceolate, densely pubescent, ciliated on the margins, 

 and furnished with a dense tuft of hairs at the tip, the outer 

 ones about iin. long. Flowering stem Sin. to 4in. high, its red- 

 tinted, pubescent leaves iin. to Jin. long. Barren rosettes about 

 iin. in diameter. Alps. A well-marked, dwarf-habited plant 



let! (Boissier's).* fl. lin. in diameter, twelve to fonrteen- 

 parted ; petals pale red, very hairy ; filaments bright red ; panicle 

 about 2in. broad each way, the lower flowers sub-sessile. July. 

 I. oblanceolate-cuneate, cuspidate, broadest near the middle, with 

 rather long, brown cilia, hardly at all brown-tinted at top, lin. to 

 IJin. 'long. Flowering stem 8in. to 9in. long, the leaves red- 

 tinted, closely imbricated. Barren rosettes very dense, 2in. to 

 2in. in diameter. 1878. A garden species. 

 S. Bollil (Boll's). A synonym of & aureum. 



VoL I 1L 



Semper vivum continued. 



S. Bouttgnyannm (Boutigny's). fl. Jin. in diameter, twelve to 

 fourteen-parted ; petals pale rose, iin. long, densely eland- 

 ciliated ; panicle &n. to 3in. long and broad, simply branched, 

 many-flowered. Summer. I. oblanceolate-cuneate, cuspidate, 

 with a green, glabrous face and a distinct, decurrent, red-brown 

 tip, the outer ones lin. to IJin. long. Flowering stem 6in. to Sin. 

 long, its leaves lin. or more long. Barren rosettes 2in. to Sin. 

 broad. Pyrenees, 1878. 



S. Brannli (Braun's).* fl. ten to twelve-parted, Jin. to lin. in 

 diameter; petals dull yellow, unspotted, with a green keel; 

 filaments greenish, obscurely tinted with purple ; panicle com- 

 pact, many-flowered, 2in. to 4in. in diameter. July. I. thirty 

 to forty to a rosette, obovate-cuneate, obscurely cuspidate, 

 glandular-pubescent ; outer ones obscurely purple-tipped, Jin. 

 to lin. long. Flowering stem 6in. to 9in. long, the upper part 

 shortly pubescent, its leaves lin. to liin. long. Barren rosettes 

 Ijin. to 2in. in diameter. Tyrol, 1874. 



S. csaspitosnm (tufted), fl. yellow, disposed in cymose, dichoto- 

 mously-branched corymbs ; petals seven or eight, spreading. 

 April to September. /. oblong-linear, glabrous, stiffly ciliated, 

 marked with brown lines on both surfaces, crowded in a rosu- 

 late manner ; cauline ones scattered. Stem very short, at length 

 a little branched, leafy at the apex. h. 6in. Grand Canary 

 Island, 1815. Greenhouse, evergreen shrub. This plant has been 

 known to remain alive in an herbarium for eighteen months, 

 and to grow when subsequently planted. SYN. S. ciliatum 

 (B. M. 1978). 



S. calcaratum (spurred).* fl. lin. in diameter ; petals dull red- 

 dish white, iin. lone; panicle 6in. to Sin. long and broad, the 

 lower branches deeply forked. Summer. I. 4in. long, Jin. to lin. 

 broad, rather glaucous, with a distinct red-brown tip, the edges 

 bordered with stiff cilia. Flowering stem above 1ft. long. Barren 

 rosettes 3in. to 4in. in diameter. 1874. A common form in 

 English gardens, where it is variously known as S. Camollfi, 

 S. italicwn, S. juratum, S. Royeni, S. rutticanvm, and S. 

 Seymeri. 



S. calcarenm (chalk-loving).* fl. ten to twelve-parted ; corolla 

 Jin. in diameter ; petals pale red, greenish down the keel, densely 

 ciliated ; panicle Sin. to 4in. long and broad, eight to twelve- 

 branched. Summer. I. oblanceolate-cuneate, cuspidate, very 

 glaucous, with very distinct red-brown tips, stiffly ciliated on the 

 margins, the outer ones lin. to liin. long. Flowering stem less 

 than 1ft long, with densely imbricated leaves, lin. to liin. long. 

 Barren rosettes about 2in. in diameter. Calcareous Alps of 

 Danphine. SY.\. S. californicum (of gardens). 



S. californlcum (Californian). A garden synonym of S. col- 

 careum. 



S. calycifonne (calyx-formed). A synonym of S. aureum. 



S. Camollei (Camolle's). A garden synonym of 5. calcaratum. 



S. canariense (Canary Islands).* fl. white, pedicellate ; petals 

 nine or ten, linear; branches of panicle expanded. June and 

 July. I., radical ones expanded, rosulate, obovate-spathulate, 

 villous, large ; cauline ones scattered, ovate, h. lift. Canary 

 Islands, 1699. A strong-growing, greenhouse, evergreen shrub. 



S. ciliatum (ciliated). A synonym of S. ctrspitosum. 



S. corxmttun (horned). A synonym of S. arenarium. 



S. crnentnm (bloody), fl. yellow, small, six to eight-parted. 

 May. 1. cuneate-spathulate, highly glabrous, thick, attenuated 

 into the petiole, papillose on the margins, green and somewhat 

 channelled above, slightly convex beneath, h. 1ft. to 2ft Canary 

 Islands, 1824. Greenhouse, evergreen shrub. (B. B. xxvii. 61, 

 under name of JZonium cruentum.) 



S. Doelliannm (Doell's). fl. nine or ten-parted ; calyx densely 

 pubescent ; petals bright red, lanceolate, iin. long ; filaments 

 bright purple : panicle compact, few-flowered, the larger flowers 

 distinctly pedicellate. June. I. forty to fifty to a rosette, ob- 

 lanceolate, obscurely cuspidate, slightly hairy above, the edges 

 minutely ciliated, the tips of the inner leaves connected by a 

 few cobwebby threads ; outer leaves iin. to fin. long, red-tinted 

 at back. Flowering stem 4in. to 6in. long, its leaves having only 

 an obscure tuft of hairs at the tip. Barren rosettes iin. to Jin. in 

 diameter. Bernese Oberland. SYN.- S. heterotrichum. 



S. Fanconneti (Fauconnet's). fl. nine to twelve-parted, nearly 

 lin. in diameter ; petals bright red, lanceolate, glandular on the 

 back and edges; filaments bright purple. Summer. I. about 

 fifty to a rosette, oblanceolate, obscurely cuspidate, the surfaces 

 with a few glandular papillae and streaks of purple, the edges 

 ciliated with deflexed liairs, the outer leaves tinged with red, 

 about Jin. long. Flowering stem 6in. to Sin. long, clothed with 

 long hairs. Barren rosettes liin. in diameter. Jura Mountains. 

 Rare in English gardens. 



S. fimbriatum (fringed).* fl. about twelve-parted, lin. in dia- 

 meter ; petals bright red, lanceolate, glandular on the back and 

 edges ; panicle open, the few branches bearing each six to ten 

 flowers. July. J. fifty to sixty to a rosette, oblanceolate, 

 obscurely cuspidate, all green, the edges crowded with deflexed 

 hairs, the outer leaves turning red, and reaching lin. to Jin. long. 

 Flowering stem 6in. to 9in. high, densely glandular-pilose, the 

 lower of the red-tinted leaves lin. to IJin. long. Barren rosettes 

 lin. to liin. in diameter. Alps of Dauphine. 



3H 



