DODECANDRIA DODECAGYNIA. Sempervivum. 133 



Cal. permanent, hardened, hooked with bristles, a caps, for the 



seeds. 



Scent aromatic : p/«ni! astringent, bitter, a tonic i-emedy in infu- 

 sion, as tea, among the vulgar. Infusion of the root in fever, 

 among the Canadians. < • 



DODECANDRIA TRIGYNIA. 



RESEDA. Rocket. 



R. Luteola. Dyerh R. Yellow-iveed, or Weld. Leaves 

 spear-shaped, undivided. Calyx in four segments. E. 

 B. 320. Luteola. G. E. 494. 



Pf^aste ground, especially on chalk, and on wallsi 



An. June. 



Stem wand-like, two or three f., erect, thick, branched, leafy. Ls. 

 alternate, blunt, smooth. Fl.-spikes, branch-terminating, fl., 

 numerous, pale, gi-eenish. Pet. three, vippermost, three-lobed, 

 middle lobe cloven, side ones simple, or three-lobed. Stam. 

 hanging down. 

 Whole plant used for dyeing woollen yellow and gi-een. Not 



unornamental. The yellow colour, called Dutch Pink, from this 



plant. 



R. lutea. Base Rocket. IVild Mignonette. Leaves 

 deeply three-lobed ; lower ones wing-cleft. Calyx in 

 six divisions. E. B. 321. R. Plinii. G. E. 277- 



Chalky hills, tvaste places. * * Bensington. Henley. Sb. Old 



Stone Pits, Wheatley. 3Ir. John Loregrove. 

 An. June. ~ 



Stems several, growing thick-tufted, round, smooth, leafy. Ls. 



alternate, segments three or more, linear, waved, pointed : lower 



Is. once or twice winged. Fl.-spikes branch-terminating. Fl. 



numerous, sulphur-coloured. Pet. six, most curiously lobed. 



Ornamental. 



DODECANDRIA DODECAGYNIA. 



SEMPERVIVUM. Houseleek. 



S. tectorum. Common H. Leaves fringed. Offsets 

 spreading. Edges of the petals hairy, entire. E. B. 

 ]320. C. 3. 29. S. majus. G. E. 510. 



Walls, cottage roofs. 



Per. June, 



Ls. in a rose-like tuft, numerous, tiled, fleshy, egg-shaped, acute. 



