PENTANDRIA— DIGYNIA. Tordylium. 105 



Annual. Juney July. 



Root tapering, small. Stem generally branched, a little spread- 

 ing, round, t'urrovved, leafy, from 10 to 14 inches high, clothed 

 with soft, deflexed hairs. Leaves rough, hairy, simply pinnate; 

 leaflets few, roundish or ovate, crenate and variously cut j the 

 odd one largest. Footstalks of the lower ones longest ; of the 

 uppermost very short ; all but slightly dilated, though strongly 

 ribbed, at the base. Umbels terminal, on long stalks, dense, a 

 little convex ; tlie disk of numerous, crowded, nearly equal, white 

 Jiowers; the radius formed of the very unequal, outer petals, of 

 iXm flowers oi the circumference, the large lobes of 2 flowers 

 coming together, and resembling a single petal. These lobes 

 are sometimes reddish. Bracteas lanceolate, acute ; the partial 

 ones largest at one side of the partial umbels. Fruit hairy on the 

 disk, brown, with scarcely any ribs or lines ; the border paler^ 

 greatly elevated, tumid, neatly crenate transversely. 



T. apulum, figured in Rivinus, Vcntap. Irr. t. 2, and Jac(j. Ilort. 

 Vind. V. 1 . t. 53, is readily distinguished by having, in each mar- 

 ginal flower^ only one radiant petal, with two equal lobes. 



2. T. maximum. Great Hart- wort. 



Leaflets lanceolate, deeply serrated and notched. Flowers 

 somewhat radiant; the outermost petal of two ecjual 

 lobes. Stem rough, with close deflexed bristles. 



T. maximum. Linn. Sp. PL 345. mild. v. 1 . 1382. Fl. Br. 295. 



Engl. Bot. V. \7. t.\ 173. Jacq. Auslr. t. 142. Tourn. Inst. 320. 



Dill, in Raii Sun.206. 

 T. n.811. Hall. 'Hist. v. 1.361. 

 T. vulgatius, semine piano, flore ex rubcnte albo. Moris, v. 3. 31 G. 



sect. 9. t. 16./. 1. 

 Tordylium. Riv. Penfap. Irr. t. 1. 

 Ileracleum Tordylium. Spreng. Sp. Umb. 49. 

 Seseli creticum majus. Bauh. Pin. 161 . Ger. Em. 1050./. 

 S. creticum, sive Tordilion, majus. Lob. h. 737./. 

 Caucalis maxima, Spliondylii aculeato semine. Bauh. Pin. 152. 

 C. major. CI us. Hist. r. 2.'2()1./ 

 C. major, semine minus pukhro hirsute. Bauh. Hist. v. 3. p. 2. 



85./ 



On banks and waste ground, but rare. 



About London. Morison. Under the hedge on tlie north side of 

 the Parks, (Jxford. Dr. J. Sibthorp and Mr. Woodward. In a 

 hedge about half a mile from Kton. Mr. R. Gotobcd. 1803. 



Annual. June, July. 



Root tapering. Stem 3 or 4 feet higli, erect, branched, leafy, hol- 

 low, angular and deeply furrowed, clothed with fine rigid bristles, 

 all closely deflexed. La/ro pinnate, of a daiker i^ieen than the 



