GG PENTANDRIA— DIGYNIA. Swertia. 



This is presumed to have been the only species of Cuscuta known 

 to Ray, Hudson, and other British botanists, till Mr. A. Smith 

 met with the true europcea in Scotland. 



134. SWERTIA. Felwort. 



Linn. Gen. 125. Juss.l42. FI.Br.234. Lam.t.\09. Gartn.t.ll4. 

 Nat. Oi"d. Rotaceae. Linn. 20. Gentiance. Juss. 46. 'N. 135 

 the same. See Grammar 106. 



Cal. inferior, of 1 leaf, flat, permanent, in 5 deep, lanceolate 

 segments. Cor. of 1 petal, wheel-shaped ; limb nearly 

 flat, in 5 deep, lanceolate divisions, larger than the calyx. 

 Nectaries ten, consisting of 2 small depressions, in the 

 base of each division of the corolla, on the upper side, 

 encompassed with short upright bristles. Filam. awl- 

 shaped, rather spreading, shorter than the corolla. Aiith. 

 heart-shaped, deflexed. Germen superior, ovate-oblong, 

 cloven at the summit. Styles very short, distant. Stigmas 

 obtuse. Caps, ovate, acute at each end, of 2 valves and 

 1 cell. Seeds numerous, small, roundish, compressed, 

 bordered, attached, as Gaertner remarks, to the edges of 

 the valves only. 



Herbaceous, smooth, very bitter, nearly allied to Gentianay 

 but differing in the peculiar nectaries, as well as the dis- 

 position of the seeds. Leaves opposite, undivided, and 

 entire. Fl. blueish, numerous. 



fl. '^.perennts. Marsh Felwort, or Swertia. 

 Flowers five-cleft. Radical leaves ovate. 



S. perennis. Lhm. Sp. Pl.328. Willd. v. 1 . 1329. Fl. Br. 284. Engl. 



Bot. 1-. 21. ^ 1441 . Jacq. Austr. t. 243. 

 Gentiana n. 636. Hall. Hist. v. 1 . 282. 

 G. palustris latifolia, flore punctato. Baiih. Pin. 188. Scheuchx.lL 



Mp. 6.456. Moris, r. 3. 482. sect. \2. t.5.f.ll. 

 G. punctata Pennei. Clus. Pann. 290. f. 292. 

 G. duodecima, punctato flore. Clus. Hist. v. 1.316./. 

 G. Pennei minor. Ger. Em. 433. f. ' 

 G. Ccerulea punctata Pennsei. Barrel. Ic. t.9l. 

 G. corollarum laciniis nectario gemino notatis. Le Monnier Obi. 



154. 

 Alisma Tossani Caroli. Bauh. Hist. r. 3. 5 1 9./. 



In watery alpine meadows. 



Found in Wales by Dr. Richardson. Huds. Some mistake is to be 



•suspected, as no person has confirmed this discovery, and so fine 



a plant could scarcely be overlooked. 



