PAS SYNGENESIA— POLYGAM.-/EQU. Leontodon. 



1. P. maralis. Ivy-leaved A\'all- lettuce. 

 Florets five. Leaves runcinate. 



P. muralis. Linn. Sp. PL 1121. miUL v. 3. \54S. FL Br. S2\, 



Engl. Bot. V. 7. t. 4d7. Curt. Lond.fasc. 5. t yS Hook. Scot. 227. 



Fl. Dan. f. 509. 

 P. n. 18. Hall. Hist. V. 1.9. 

 Lactuca sylvestris murorum flore lutco. Baii Sijn. 162. Daiih. 



Hist. V. 2. 1004./. 

 Sonchus IcEvis muralis. Ger. Em. 293 / 

 S. laevior vulgaris secundus, Clus. Hist v. 2. 14(5./. 

 S. laevis laciniatus muralis, parvis floribus, Moris, v. 3. 61. sect. 7. 



t.3.f.\4. 

 Ivy Lettuce. Petiv. H. Brit. t. 1.5./ 5. 



On old walls, or in woods on a chalky soil. 



Perennial. July. 



Root rather woody, with several long fibres. Herb slender and not 

 inelegant, smooth in every part, tender and brictle, with a milky 

 bitter juice. Stem a foot high, round, hollow, leafy, simple 

 below. Leaves runcinate, toothed, clasping at the base ; sud- 

 denly terminating ih a large, ivy-like, toothed lobe : their under 

 side more or less purple, like the leaves of a Cyclamen j radical 

 ones stalked. Panicle much branched, and singularly divari- 

 cated in all directions. Bracteas small, ovate, acute. FL erect, 

 bt-ight yellow, with a slender purplish calyx. Seed obovate, 

 striated, black. Down raised on a short stalk as the seed ripens. 

 The upper leaves are sometimes undivided. 



375. LEONTODON. Dandelion. 



Lmn. Gen. 402. FL Br. 822. Gcertn. t. 158. 



Taraxacum. HalL Hist. v. 1.23. Juss. \69. Lam.t.6:i3. 



Dens Leonis. Tourn. t. 266. 



Common Col. oblong, double ; innermost of several linear, 

 equal, parallel scales ; outer of fewer and shorter, lax or 

 reflexed ones, at the base. Cor. compound, of very nu- 

 merous, imbricated, equal, perfect, ligulate, abrupt, 5- 

 toothed^or^/5. Filam. capillary, short. Anth. in a cy- 

 lindrical tube. Germ, obovate, furj-owed. Style cylin- 

 drical, prominent. Stigm. 2, revolute. Seed-vessel none, 

 the calyx converging, finally altogether reflexed. Seed 

 obovate, furrowed, rough. Do'wn capillary, radiating, on 

 a long cylindrical stalk. Recept. naked, convex, dotted. 



Stemless milky herbs^ with radical runcinate leaves, and 

 large yellow Jlowers, on simple, naked, hollow stalks. 

 Aggregate doxai of the seeds forming a light globe, as in 

 Tragopogon^ soon dispersed by the wind. 



