PENTANDRIA— DIGYNIA. Tordylium. 105 



Annual. June, July. 



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

 ing, round, furrowed, leafy, from It) to 14 inches high, clothed 

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

 leaflets few, roundish or ovate, crenate and variously cut ; 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 j the disk of numerous, crowded, nearly equal, white 

 Jlowers ; the radius formed of the very unequal, oulax petals, of 

 the ^flowers of 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, Pentap. Irr. t.2, and Jacq. Hort. 

 Find. 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 equal 

 lobes. Stem rough, with close deflexed bristles. 



T. maximum. Linn. Sp. PL 345. M'illd. v. 1 . 1382. Fl. Br. 295. 

 Engl. Bot. V. 17. M 1 73. Jacq. Ausir. 1. 142. Tourn. List. 320. 

 Dill, in Raii Syn. 206. 

 T. n. 811. Hall. Hist. v.\. 361. 

 T. vulgatius, semine piano, flore ex rubente albo. Moris, v. 3. 316. 



sect. 9. t.lG.f.l. 

 Tordylium. Riv. Pentap. Irr. t. 1. 

 Heracleum Tordylium. Spreng. Sp. Umb. 49. 

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

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

 Caucalis maxima, Sphondylii aculeate semine. Bauh. Pin. 152.. 

 C. major. Clus. Hist. v. 2. 201 ./. 

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



85./ 

 On banks and waste ground, but rare. 



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

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

 hedge about half a mile from Eton. Mr. R. Gotobed. 1803. 

 Annual. June, July. 



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

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

 all closely deflexed. Leaves ])innatc, of a darker green than the 



