148 COMPOSITE. [Petasiies. 



Way-sides and neglected pastures, too frequent. Fl. July, Aug. 

 %. Stems two to three feet high, striated, branched. Flowers large, 

 golden yellow. 



6. S. aquations, Huds. Marsh Ragwort. Ray spreading, 

 elliptic-oblong, toothed ; leaves lyrate, serrated, the lowermost 

 obovate and undivided; fruit all smooth. Br. Fl. 1. p. 361. 

 E. Fl. v. iii. p. 434. E. Bot. t. 1311. 



Wet places, and by the sides of rivers and ditches. Fl. July, Aug. 

 If. Flowers larger than the last. 



>je jjc # sfc Flowers rayed. Leaves undivided. 



7. S. saracenicus, Linn. Broad-leaved Groundsel. Ray 

 spreading, nearly entire ; flowers corymbose ; leaves lanceolate, 

 serrated, minutely downy ; stem solid. Br. Fl. 1. p. 362. E. 

 FLv. iii. p. 435. E.Bot. t. 2211. 



Woods near Bmtry ; Mr. J. Drummond. On the ruins of Gleri- 

 luce Castle, County of Antrim ; Mr. Templtton. Fl. July, Aug. !{.. 

 Three to five feet high, scarcely branched, corymbose at top. A doubt- 

 ful native. 



10. TUSSILAGO. Linn. Colt's-foot. 



Involucre formed of a simple row of equal, linear scales. Re- 

 ccptacle naked, flowers radiant. Corollas of the circum- 

 ference long, linear, numerous ; of the disk few. Pappus 

 simple. Scape single flowered. Name altered from Tu&sis> 

 a cough, in the cure of which the plant has been employed. 



Syngenesia. Svperflua. 



1. T. Farfara, Linn. CoUs-foot. Scape single flowered, 

 imbricated with scales; leaves cordate, angular, toothed, 

 downy beneath. Br. Fl. I. p. 359. E. Fl. v. iii. p. 425. E. 

 Bot. t. 429. 



Moist and clayey soils, too abundant. Fl. March, April, before the 

 loaves appear. 11. Fkivjrs yellow ; florets of th disk few. The 

 leaves have been used medicinally, as an infusion, or smoked like to- 

 baccc, for the relief of asthma* 



11. PETASITES. Desf. Butter-bur. 



Nearly dicecious. Involucre imbricated with two rows of lan- 

 ceolate scales. Flowers not radiant. Pappus simple. Scape 

 many-flowered. Name, Trerao-os, a covering to the head, or 

 an umbrella ; from the great size of its foliage. 



Sijngencsia. Svperflua. 



1. P. vulgaris, Desf. Butter-bur. Thyrsus dense, oblong ; 

 leaves cordate, unequally toothed, downy beneath, the lobes 

 approximate. Br. FL \.p. 359. T. Petasiks, Hoppe. E. FL 

 v. iii. /A 425. -. Flowers sterile, bearing anthers, rarely seed. 



