124 



CRASSULACE^E. XIX. SEMPERVIVUM. 



Globe-bearing or Hen and Chicken House-leek. Fl. Ju. Jul. 

 Clt. 1731. PI. i to 1 foot. 



* * Flowers purplish. 



24 S. TECTORUM (Lin. spec. p. 664.) leaves ciliated ; offsets 

 spreading ; petals 5-9, spreading ; scales of flowers cuneiform, 

 carunculate. I/ . H. Native of Europe, on rocks and roofs of 

 houses ; also in many parts of Britain, on walls and cottage 

 roofs, but perhaps not properly indigenous. D. C. pi. grass, t. 

 104. Smith, engl. hot. 1320. Curt. lond. 3. t. 29. Oed. fl. dan. 

 601. Blackw. t. 366. Sedum tectorum, Scop. earn. ed. 2. no. 

 529. Flowers purplish. Stamens sometimes changed into car- 

 pels according to Pet. Thouars, in bull. phil. nov. 1807. The 

 juice of the common house-leek either applied by itself, or mixed 

 with cream, gives present relief in burns, and other external in- 

 flammations ; it is also said to cure corns. With honey it is a 

 useful application in the thrush. Boerhaave found 10 ounces of 

 the juice beneficial in dysenteries, and others have found it use- 

 ful in gonorrhceas ; but it is not admitted into modern practice. 

 The house-leek had several names formerly, as sengreen and 

 aygreen, both translations of Sempervivum. It has also been 

 called Jupiter's eye, bullock's eye, and Jupiter's beard. In Ger- 

 man it is called hausnurz ; in French la grande joubarbe, and in 

 Italian sempervivo maggiore. 



Roof or Common House-leek. Fl. June, Sept. Britain. 

 PI. 1 foot. 



25 S. FLAGELLIFORME (Fisch. in Link, enum. 2. p. 20.) leaves 

 ovate, mucronate, papillose, with papillously ciliated margins ; 

 offsets spreading, lateral ; branches of cyme bifid. I/. . H. Na- 

 tive of Siberia. Allied to S. montanum, but differs in being 

 larger, and in the offsets being at the ends of long flagellse. The 

 leaves of the offsets terminate in a stiff brown point ; cauline 

 leaves narrower. Corolla reddish. 



Flagelliform Houseleek. Fl. July, Aug. Clt. 1823. PI. 

 i to | foot. 



26 S. MONTA'NUM (Lin. spec. p. 665.) leaves of the offsets 

 obovate-oblong, shortly acuminated, beset with glandular pubes- 

 cence on both surfaces, obsoletely ciliated, entire, pubes- 

 cent; offsets rather contracted; flowers rotate; petals 10-14, 

 lanceolate, acuminated, spreading, 3 times longer than the calyx, 

 scales of flowers small, nearly quite entire; style discoloured at 

 the apex. I/ . H. Native of the Pyrenees and the Alps of Eu- 

 rope, &c. on rocks. D. C. pi. grass, t. 105. Jacq. fl. aust. 5. 

 append, t. 41. Flowers deep red. This species differs from S, 

 tectorum in the smaller stature, and in the nectariferous scales 

 being almost wanting ; and from S. arachnoideum in the absence 

 of the cobwebbed wool. Scales of flower square and retuse. 



Mountain House-leek. Fl. Ju. July. Clt. 1 752. PI. ^ to f ft. 



27 S. FU'NKII (Braun, in bot. zeit. Jan. 1832. p. 4. t. 1.) 

 leaves of the offsets oblong, shortly acuminated, beset with glan- 

 dular pubescence on both surfaces, with ciliated margins ; flowers 

 rotate ; petals lanceolate, acuminated, about 3 times longer than 

 the calyx ; germens dilated, ovate; style discoloured at the apex. 

 Tf.. H. Native of the Alps of Europe, as in Switzerland, Pied- 

 mont, &c. 



Funk's House-leek. Fl. June, July. Clt.? PI. | foot. 



28 S. ARACHNOIDEUM (Lin. spec. 665.) leaves covered with 

 interwoven cobwebbed hairs or wool ; offsets globose ; petals 

 8-9, spreading ; scales of flower truncately emarginate. 1f..H. 

 Native of the Alps of Europe and the Pyrenees, &c. among 

 rocks. D.C. pi. grass, t. 106. Curt. bot. mag. t. 68. Jacq. 

 austr. 5. append, t. 42. Flowers purple. 



Cobwebbed House-leek. Fl. Ju. July. Clt. 1699. PI. ft. 



29 S. PU^MILUM (Bieb. fl. taur. 1. p. 381.) leaves lanceolate, 

 ucute, ciliated by long hairs ; offsets globose; stem few-flowered ; 

 petals 12, hairy. I/ . H. Native of Caucasus, at the torrent of 



Terek, on rocks. Flowers red. Very like S. arachnoideum, but 

 differs in the hairs on the leaves being distinct, not cobwebbed. 

 Dwarf House-leek. Fl. June, July. Clt. 1824. PI. f foot. 



30 S. TENUIFOLIUM (Smith, fl. graec. prod. 1. p. 335. fl. graec. 

 t. 474.) leaves subulate : lower ones dilated at the base, and 

 sheathing ; cauline ones adnate, sessile, prolonged at the base ; 

 flowers with 7-10 styles; offsets cylindrical. T(.. H. Native 

 of Calabria, on arid hills. Sedum rostratum, Ten. fl. nap. prim, 

 p. 26. Sedum amplexicaule, D. C. fl. fr. suppl. p. 526. Sedum 

 carinatum, Link. Sempervivum anomalum, Lag. ex Spreng. 

 Petals yellow. More the habit of a Sedum than a Sempervivum, 

 and has much the habit of Sedum rupestre. 



Fine-leaved House-leek. PI. foot. 



SECT. III. MONA'NTHES (from p>coc, monos, one, and av-?oc, 

 anthos, a flower ; flowers one on each peduncle). Haw. rev. succ. 

 p. 68. D.C. prod. 3. p. 414. Real offsets none. Leaves clavate, 

 crowded in a somewhat rosulate manner. Flowers purple. 

 Glands large, orbicularly cochleate, serrulated when examined 

 through a lens, one-half shorter than the petals, but 4 times 

 broader, and rufous. Haw. A very small nearly stemless 

 herb. 



31 S. MONA'NTHES (Ait. hort. kew. ed. 1. vol. 2. p. 149.) 

 leaves terete, clavated, glabrous, crowded in a rosulate manner ; 

 peduncles naked, generally 1-flowered, rarely few-flowered ; 

 petals 6-9, hardly longer than the calyx ; scales of flower obcor- 

 date. I/ . D. G. Native of the Canary Islands. Curt. bot. 

 mag. t. 93. D. C. pi. grass, t. 157. Monanthes polyphylla, 

 Haw. rev. p. 68. Flowers small, purplish. Plant tufted. 



One-flowered House-leek. Fl. July, Sept. Clt. 1777. PI. 1 

 or 2 inches. 



) Species hardly known. 



32 S. AFRICA'NUM (Mill. diet. ed. 8. no. 7.) margins of leaves 

 serrately toothed ; offsets spreading. 1. D. G. Native of the 

 Cape of Good Hope. Haw. syn. p. 367. This species has 

 never been seen except by Miller ; it is therefore doubtful. 

 Sprengel says it is the same as S. arboreum. 



African House-leek. Clt. 1 768. Shrub. 



33 S. ? SEGUIE'RI (D.C. prod. 3. p. 414.) stem herbaceous, 

 erect ; leaves opposite, obovate. Native on Mount Baldo. 

 Sedum pertrae'um, &c. Scarella in Seg. ver. 2. p. 360. t. 17. S. 

 stellatum, Poll. fl. ver. 2. p. 114. exclusive of the synonyme of 

 Smith. It is probably a variety of Sedum dasyphyllum, but the 

 flowers are said to be yellow. The plant is therefore very 

 doubtful. 



Seguier's House-leek. PI. ^ foot ? 



34 S. ? HISPA'NICUM (Willd. enum. p. 508.) leaves subulate, 

 semi-terete, ciliated, imbricated ; cymes bifid, y.. H. Native 

 of Spain. The rest unknown. Perhaps a species of Sedum. 



Spanish House-leek. PI. A to ^ foot. 



35 S. CLAVICULA'TUM, Sieb. } These two species are only 



36 S. MUTA'BILE, Schlecht. ) known by name. 



Cult. The greenhouse kinds of house-leek are chiefly natives 

 of the Canary Islands. A mixture of sand, loam, and brick-rub- 

 bish is a good soil for them ; and care must be taken not to give 

 them too much water when not in flower. Cuttings taken off the 

 plants, and laid to dry a few days, will strike root freely without 

 any covering of glass. Cuttings of some species are difficult to 

 obtain, such as of S. tabuliforme, &c. ; the best way in such cases 

 is to cut the top out, and lateral shoots will be immediately 

 produced. The hardy kinds are well fitted for rock-work, or 

 to grow on walls ; and they are easily increased by the offsets, 

 which are issued in great abundance. A light soil suits them 

 best. 



Tribe II. 



CRASSULA'CE/ ANO'MAL^E (the plants contained in this 



