158 



XXXV. CRASSULACE.^. 



\_Sedum. 



bent below Leaves glaucous- green often tinged with red. Flower. 

 white, star-hke with purple anthers. • * 



5. S. *a/5z/m L. (zt7^2Ye S.) -, leaves scattered oblon^-cylin 

 dncal obtuse spreading, cyme much branched glabrous, petals 

 lanceolate. E. B, t. 1578. 



Rocks, walls, and roofs of houses; in the counties of Middlesex 

 Worcester, Suffolk, Somerset, Warwick, and Northampton,. Forfar 

 and Glamis, Scotland. 1^. 1,S.~ Stems prostrate below, the flower 

 mg-stem only erect, S—5 inches high. Leaves pale glaucous-^rreen 

 sometimes tmged with red. Floivers crowded, white or tino-ed with 

 rose-colour. ^ 



6. S. villosiim L. {hairy S.)', leaves scattered oblong flattened 

 above, and as well as the peduncles and erect stems'^hairy and 

 viscid, petals ovate acute. E. B. t. 394. 



Stony and moist places by the sides of rills ; frequent in the N. of 

 England and^ Scotland, especially the subalpine parts. $1 6 1 

 — Stem 3—4 inches high, reddish-purple. Leaves on the short barren 

 shoots almost exactly cylindrical. Flowers few, of a pale rose-colour. 



*** Leaves suhterete. Flowers yellow. 



7. S. acre L. (biting S. or Wall -pepper) ; leaves erect alter- 

 nate ovate gibbous fleshy produced at the base, cymes trifid 

 glabrous leafy, sepals obtuse gibbous at the base, petals acute. 

 jQ» jj^ t. 839. 



Walls, rocks, and sandy ground, frequent. 1^. 6,1.-— Distin- 

 guished among our yellow-coloured species, by its upright short and 

 very succulent leaves, closely imbricated on the barren shoots. Very 

 biting when chewed, and hence its name of Wall-pepper. 



8. S. * sexanguldre L. (tasteless yellow S.) ; leaves generally 

 in 6 rows whorled on the barren shoots cylindrical fleshy spread- 

 ing produced at the base, cymes trifid glabrous, sepals lanceo- 

 late acute not gibbous, petals acute. E. B. t. 1946. 



Old walls in the east of England, rare. Isle of Sheppey ; Green- 

 wich Park ; in Cambridgeshire and Old Sarum, Yorkshire IL 7 _ 

 Well distinguished from the last by its spreading, larger and slender 

 leaves, and by their insertion, 



9. S. *reflexum L. (crooked yellow S.) ; leaves terete awl- 

 shaped scattered spurred at the base, flowers cymose, segments 

 of the calyx lanceolate slightly acute. E. B. t. 695 - ' 

 cum Bonn. E. B. t. 2477. 



Walls, roofs of houses and thatched buildings, frequent X 7 8 

 _ Sterile branches with thickly placed leaves, often reflexed.' Flower- 

 ing- stems 6-S inches high. Cyme large yellow. Flowers numerous 

 often with 6 petals and 12 stamens. Very similar to the two follow- 

 ing species If the true S. glaucum be distinct from this, even as a 

 variety, it has not come under our observation : it is sa^d to grow on 



S. glau- 



4 



4 



