CRASSULACE.E. XVIII. SEDUM. 



119 



Tillae'a ercta, Sauv. monsp. p. 129. Crassula verticillaris, Lin. 

 mant. 261. ? Crassula caespitosa, Cav. icon. t. 69. f. 2. Bieb. fl. 

 taur. 1. p. 257. Flowers pale red. The 5 fertile stamens alter- 

 nating with the petals, and the rudiments of the 5 sterile ones in 

 front of the petals. 



Tufted Stonecrop. Fl. June, July. Clt. 1788. PI. foot. 



Leaves terete. Flowers yellow. 



69 S. auADRi'FiDUM (Pall. itin. 3. p. 730. append, no. 90. t. 

 P. f. 1.) leaves scattered, terete, bluntish ; root thick, of many 

 necks ; stems numerous, erect, simple ; corymbs terminal, few- 

 flowered, simple ; pedicels about equal in length ; length of nec- 

 tariferous scales exceeding the breadth ; flowers octandrous, 

 4-cleft ; stamens a little longer than the petals. 3.H. Native 

 of Dahuria, the Ural Mountains, and Altaia, in humid stony 

 places, on the tops of the Alps. Pall. ed. gall, in 8vo. vol. 8. 

 p. Sll.t. 104. f. 4. S. quinquefidum andS. hexapetalum, Haw. 

 rev. p. 26. ? Flowers yellow. 



Quadrifid-aovtered Stonecrop. Fl. July. Clt. 1800. PI. A ft. 



70 S. A'CRE (Lin. spec. 619.) stems rather creeping at the 

 base ; branches erect ; leaves ovate, adnate, sessile, gibbous, 

 erectish, alternate, glabrous ; cymes trifid ; flowers sessile along 

 the branches of the cyme ; petals lanceolate, acuminated. 3 . H. 

 Native of Europe, common on walls, roofs of houses, rocks, and 

 dry sandy ground ; plentiful in Britain. Bull. herb. t. 30. D. C. 

 pi. grass, t. 117. Smith, engl. bot. 839. Woodv. med. hot. t. 

 231. Curt. lond. 1. t. 32. Flowers yellow. The whole plant is 

 acrid, and chewed in the mouth has a hot biting taste ; whence, 

 and from its common place of growth, it has the name of wall- 

 pepper. Applied to the skin it blisters, and taken inwardly it 

 excites vomiting. In scorbutic cases and quartern agues, it is 

 an excellent medicine under proper management. For the for- 

 mer, a handful of the herb is directed to be boiled in eight pints 

 of beer till they are reduced to four, of which 3 or 4 ounces are 

 to be taken every morning. Milk has been found to answer this 

 purpose better than beer. Not only ulcers simply scorbutic, 

 but those of a scrofulous or even cancerous tendency, have 

 been cured by the use of this plant. It is likewise useful as an 

 external application, in destroying fungous flesh, and in promot- 

 ing a discharge in gangrenes and carbuncles. 



Var.fi, diminutum (Haw. in phil. mag. 1831. p. 416.) much 

 smaller than the species, hardly an inch high ; stem creeping. 

 I/. H. Native of the higher Alps of Provence ; also on Swaf- 

 fan Heath, Norfolk. S. acre /3 graciale, D. C. prod. 3. p. 407. 

 S. glaciale, Clarion in D. C. fl. fr. 4. p. 393. 



Var. /, elongation (Haw. 1. c.) pendulous branches 7 inches 

 high : erect ones 4 inches ; leaves loosely imbricating. 



Acrid Stonecrop. Fl. June. Britain. PI. ^ to foot. 



71 S. SEXANGULA'RE (Lin. spec. 620.) stems branched at the 

 base, floriferous ones erect ; leaves nearly terete, adnate-sessile, 

 usually by threes on the flowering stems, and 3 in a whorl on 

 sterile branches, imbricating in 6 spiral rows ; cymes trifid ; pe- 

 tals lanceolate, acuminated. 3. H. Native of Europe, in dry 

 sandy ground, and on walls. In England, but not common ; as 

 near Northfleet, Sheerness, and on the Isle of Sheppy ; on Green- 

 wich Park wall on the south side, near the western corner ; on 

 the famous rotten walls of Old Sarum ; also of Cambridgeshire. 

 D. C. pi. grass, t. 118. Curt. lond. 4. t. 33. Smith, engl. bot. 

 1646. S. acre fl, Huds. Lam. fl. fr. S. spirale, Haw. in phil. 

 mag. 1824. no. 176. Cam. epit. 856. with a figure. Flowers 

 yellow. Habit of S. acre. 



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



72 S. BOLONIE'NSE (Lois. not. p. 71.) stem branched at the 

 base ; floriferous ones erect ; leaves nearly terete, obtuse, 

 loosened at the base, glabrous, imbricated on all sides ; cymes 



FIG. 29. 



trifid ; flowers sessile, along the branches ; petals acuminated. 

 %. H. Native of sandy woods, about Bologna. D. C. suppl. 

 523. Root creeping. Sepals cylindrical, obtuse. Branches of 

 cyme 6-10-flowered. S. schistosum, Lejeune, fl. spa. Flowers 

 yellow. Perhaps sufficiently distinct from S. sexangulare. 

 Bologna Stonecrop. PI. \ foot. 



73 S. AMPLEXICAU'LE (D. C. rapp. voy. 2. p. 80. suppl. fl. 

 fr. p. 526. mem. eras. t. 7.) stems branched at the base, erect ; 

 leaves terete, subulate, glabrous, dilated at the base into a stem- 

 clasping membrane ; cymes bifid ; flowers remote, sessile along 

 the branches of the cyme ; petals 5-7, lanceolate, acute. I/. H. 

 Native of Spain, south of France, Italy, Candia, &c. in dry 

 mountain pastures. S. rostratum, Tenore, fl. neap. prod. p. 26. 

 S. tenuifolium, Sibth, prod. fl. graec. 1. p. 335. and Sieb. herb. 

 cret. Sempervivum anomalum, Lag. nov. spec. 17. Flowers yel- 

 low, almost like those of S. reflexum. Sepals subulate, acute. 



Stem-clasping Stonecrop. PI. -| foot. 



74 S. RUPF/STRE (Lin. spec. p. 

 618.) stems branched at the base, 

 floriferous ones erect ; leaves te- 

 rete-subulate, glaucous, loosened 

 at the base ; sterile stems cylin- 

 drical, densely imbricated; flow- 

 ers cymose, 5-7-petalled ; sepals 

 bluntish. V.H. Native of Eu- 

 rope, on walls and rocks. In 

 England on St. Vincent's rock, 

 Bristol ; on Chedder rocks, So- 

 mersetshire, and upon walls about 

 Darlington. Engl. bot. t. 170. 

 Dill. elth. 2. f. 333. Reich, 

 icon. 3. f. 439. S. minus, Haw. 

 in phil. mag. 1825. p. 174.? S. 



reflexum, D. C. pi. grass, t. 116. Flowers yellow (f. 29.). 

 Rock Stonecrop. Fl. July, Aug. England. PI. \ foot. 



75 S. SEPTANGULA'RE (Haw. syn. 116. and in phil. mag. 



p. 175.) glaucous; leaves imbricating in 7 rows, incurved, 

 spreading, middle-sized, acute. I/. H. Native of Europe. 

 Flowers yellow. S. rupestre /3, septangulare, D. C. prod. 3. p. 

 407. S. rupestre, D. C. pi. grass, t. 115. Very like S. cceru- 

 lescens, but is distinguished by the shorter and hardly subulate 

 leaves, and in being more branched, and the branches shorter. 

 Seven-angled Stonecrop. Fl. June, July. Clt. 1795. PI. i ft. 



76 S. ALBE'SCENS (Haw. rev. succ. p. 28.) stems branched at 

 the base ; flowers erect ; leaves terete-subulate, glaucous, loos- 

 ened at the base ; sterile stems elongated, with spreading leaves ; 

 flowers cymose, 5-7-petalled ; sepals lanceolate. I/ . H. Native 

 of England and Denmark, on barren sandy hills and walls. In 

 England, especially on the sides of some rough hills near Mil- 

 denhall, Suffolk. S. glaucum, Smith, engl. fl. 2. p. 321. engl. 

 bot. 2471. but not of Waldst. et Kit. S. reflexum, fl. dan. t. 

 113. Flowers yellow. 



Whitish-leaved Stonecrop. Fl. July, Aug. Brit. PI. foot. 



77 S. FORSTERIA'NUM (Smith, comp. 71. engl. bot. 1802.) 

 stems branched at the base ; flowers erect ; leaves semicylin- 

 drical, bluntish, green tinged with red ; sterile stems short ; 

 leaves crowded, somewhat rosulate at the tops of the branches ; 

 flowers cymose, 5-7-petalled ; sepals obtuse. %. H. Native 

 of Wales, on rocks at the falls of Rhydoll, near the Devil's- 

 bridge, Cardiganshire ; on the rocks of Hisval, overhanging the 

 little valley of Nant-phrancon. S. Forsterii, Haw. syn. p. 117. 

 S. rupestre, D. C. pi. grass. 115.? Flowers yellow. 



Forster's Stonecrop. Fl. July, Aug. Wales. PI. foot. 



78 S. REFLE'XUM (Lin. spec. 618. Smith, fl. brit. p. 490.) 

 stems branched at the base ; floriferous ones erect ; leaves terete- 

 subulate, green, loosened at the base ; sterile shoots somewhat 



