118 



CRASSULACE^E. XVIII. SEDUM. 



corymbose ; petals bluntish. I/ . H. Native of Europe, in dry 

 meadows, on walls and rocks. In England on walls and roofs, 

 not common ; at Kentish Town and Bromley, Middlesex ; on 

 rocks about Great Malvern, Worcestershire ; upon walls at Peter- 

 borough ; but rare in Scotland. Smith, engl. bot. t. 578. Curt. 

 lond. 1. t. 31. Oed. fl. dan. t. 66. All. ped. 1751. t. 65. f. 2. 

 S. album var. y turgidum, D. C. prod. 3. p. 406. Flowers cy- 

 mose, white. 



White Stonecrop. Fl. June, July. Britain. PI. foot. 



57 S. MICRA'NTHUM (Bast, in litt. D. C. suppl. fl. fr. S613. 

 Haw. in phil. mag. Sept. 1831, p. 415.) branches perennial, root- 

 ing, slightly puberulous ; leaves clavately oblong, green, nearly 

 terete, glabrous ; cymes branched, terminal, subcorymbose ; 

 petals bluntish. T(.. H. Native of France, in Andegaveny. 

 In England near Gloucester. S. turgidum, Bast. ess. p. 167. 

 S. album ft micranthum, D. C. prod. 3. p. 406. Very like S. 

 album, but is 2 or 3 times larger ; flowers more numerous, and 

 the petals narrower. 



<SnaW-flowered Stonecrop. Fl. June, July. Brit. PI. -J- ft. 



58 S. GRA'CILE (Meyer, verz. pflanz. p. 151.) plant glabrous 

 and green; stems herbaceous, diffuse ; leaves subulate, bluntish, 

 loose at the base, those of the sterile branches imbricated ; rays 

 of cyme elongated, much spreading ; flowers decandrous, almost 

 sessile ; petals acuminated, longer than the calyx ; style rather 

 longer than the breadth of the acute capsule. 1. H. Native 

 of Caucasus. Flowers white. 



Var. a, minus (Meyer, 1. c.) flowers smaller. On Mount 

 Gutgora at the altitude of 3300 feet. 



Var. ft, majus (Meyer, 1. c.) flowers almost twice the size of 

 those of var. a. On the Talusch Mountains, at the altitude of 

 1400 to 2700 feet. 



Slender Stonecrop. PI. diffuse. 



59 S. TERETIFOLIUM (Lam. fl. fr. 3. p. 84. Haw. in phil. mag. 

 Sept. 1831, p. 415.) branches elongated, rooting, perennial, quite 

 glabrous ; leaves equally terete, rather elongated, a little depres- 

 sed, green, glabrous ; cymes branched, terminal, subcorymbose ; 

 petals bluntish. %. H. Native of Europe, on walls, rocks, and 

 in dry pastures. In England near Hereford. S. album, D. C. 

 prod. 3. p. 406. Fuschs, hist. 35. with a figure. Oed. fl. dan. t. 

 66. D. C. pi. grass, t. 22. S. teretifolium a, Lam. fl. fr. 3. p. 

 84. Flowers white. 



Terete -leaved Stonecrop. Fl. June, July. Brit. PI. -| foot. 



60 S. ATHO'UM (D. C. prod. 3. p. 407.) stems erect, a little 

 creeping at the base ; leaves semi-cylindrical, short, remote, and 

 are, as well as the stem, glabrous ; cyme terminal, somewhat 

 corymbose, many-flowered ; petals acute. I/ . H. Native on 

 the top of Mount Athos. S. turgidum, D. Urv. enum. p. 51. 

 exclusive of the synonymes. Flowers white, like those of S. 

 album, but the petals are acute and distinct, 



Athos Stonecrop. PI. ^ foot. 



***** Leaves terete. Flowers red or blue. 



61 S. COZRU'LEUM (Vahl. FIG. 28. 

 symb. 2. p. 51.) stem flat on 



the ground at the base, as- 

 cending ; leaves oblong, al- 

 ternate, obtuse, loosened at 

 the base ; cymes bifid, gla- 

 brous; petals 7, obtuse. O. 

 H. Native of Tunis, in the 

 fissures of rocks. Shaw. itin. 

 550. with a figure. Sims, 

 bot. mag. 2224. Ker. bot. 

 reg. 520. S. azureum, Desf. 

 fl. all. 1. p. 362. Flowers 

 not blue, but at first purplish, and'fading to blue (f. 28.). 



J3/we-flowered Stonecrop. Fl. July, Aug. Clt. 1 822. PI. 

 | foot. 



62 S. HEPTAPE'TALUM (Poir. voy. barb. 2. p. 169. diet. 4. p. 

 630.) stems erect, branched at the apex ; leaves ovate-oblong, 

 scattered, depressedly gibbous ; cymes panicled ; petals 7, acu- 

 minated. O- H. Native of Barbary, Corsica, and Malta, on 

 rocks by the sea-side. D.C. fl. fr. 4. p. 392. Flowers purplish as 

 in S. coeruleum, fading to blue. S. heptap6talum, Horn. hort. 

 hafn. suppl. p. 138. said to be originally from the Russian em- 

 pire, is perhaps distinct from this species, but is not sufficiently 

 known. 



Seven-petalled Stonecrop. PI. -^ foot. 



63 S. BRACTEA'TUM (Viv. fl. lyb. 24. t. 8. f. S.) stems erect, 

 branched at the apex, beset with spreading hairs, as well as the 

 leaves ; leaves alternate, linear, thick, obtuse ; cymes trichoto- 

 mous ; flowers on short pedicels along the branches of the cyme ; 

 petals 5, elliptic, keeled. Q. H. Native of the Great Syrtus, 

 in Lybia on the sea shore. The colour of the flowers agrees 

 with that of S. coeruleum, but the habit is that of S. Hispdnicum. 

 Nectariferous scales emarginate. 



Bracteated-fiovrered Stonecrop. PI. foot. 



64 S. viLi.6suM (Lin. spec. 620.) stem erect, almost simple, 

 beset with viscid hairs ; leaves semi-terete, rather remote, erect, 

 also beset with viscid pili ; cymes terminal, few-flowered ; petals 

 acutish. G- H. Native of Europe, in boggy places. In En- 

 gland in wet mountainous pastures, and the clefts of moist rocks ; 

 in the north of Westmoreland, Durham, and the north-west part 

 of Yorkshire, not unfrequent. More abundant in Scotland. 

 Smith, engl. bot. t. 394. Oed. fl. dan. t. 24. D. C. pi. grass, t. 

 70. Mor. hist. sect. 12. t. 8. f. 48. Petiv. brit. t. 42. f. 7. 

 Flowers pale red. 



Var. ft, pentandrum (D. C. fl. fr. suppl. p. 524.) stamens 5 

 (especially those that are epipetalous are abortive) or 6 ; the 4 

 epipetalous ones of which having vanished. 



Villous Stonecrop. Fl. June, July. Britain. PI. -J to -5 ft. 



65 S. RU'BENS (D. C. prod. 3. p. 405.) stem erect, branched ; 

 leaves oblong, obtuse, nearly terete, sessile, spreading, glabrous ; 

 cymes branched, pubescent ; flowers sessile, unilateral along the 

 branches of the cyme, pentandrous ; petals 5, acuminatelyawned. 

 Q. H. Native of south and middle Europe, in cultivated sandy 

 fields. Crassula rubens, Lin. syst. veg. p. 253. D. C. pi. grass. 

 t. 55. S. rubens ft pentandrum, D. C. prod. 3. p. 405. Flowers 

 pale red. Mature carpels puberulous. The epipetalous sta- 

 mens are all or for the most part abortive, and therefore the 

 flowers are pentandrous. 



Reddening-flowered Stonecrop. Fl. May, June. Clt. 1769. 

 PI. to | foot. 



66 S. PUBE'RULUM (D. C. mem. crass, p. S3.) stems erect, 

 branched, puberulous ; leaves scattered, terete, acutish, glabrous ; 

 cymes branched ; flowers sessile along the branches of the cyme ; 

 petals 6, acuminately awned. O- H. Native of Calabria. This 

 species comes very near S. pdllidum and S. rubens. 



Puberulous Stonecrop. PI. foot. 



67 S. PA'LLIDUM (Bieb. fl. taur. 1. p. 353.) stem erect, 

 branched ; leaves oblong, obtuse, nearly terete, spreading, gla- 

 brous ; cymes branched, pubescent ; flowers sessile, unilateral 

 along the branches of the cyme, decandrous ; petals acuminately 

 awned. () H. Native of Caucasus. Flowers pale red or 

 white. Mature carpels puberulous. 



Pale Stonecrop. Fl. June, July. Clt. 1817. PI. ^ foot. 



68 S. C^SPITOSUM (D. C. prod. 3. p. 405.) leaves ovate, tur- 

 gid, imbricated, glabrous ; stems nearly simple, glabrous ; flowers 

 lateral, sessile, solitary; carpels stellately spreading. Q. H. 

 Native of Spain, Provence, Tauria, in exposed places. Magn. 

 bot. p. 238. and 237. with a figure. Crassula Magnolii, D. C. 

 fl. fr. suppl. no. 3604. Tillse'a rubra, Gouan. hort. p. 77. 



