102 TETRANDRIA. MONOGYNIA. 



globose. Capsule bisulcate, S-celled, many- 

 seeded, opening at tlie summit; cells 2-seeded. 



Flowers axillary, or dichotomously corymbose and ter- 

 minal, with a single flower in the bifurcations. Several 

 species have a 5-cleft corolla, with 5 stamens. 



Species. 1. E. palcheflum, Vnrsh. Is not this plant a 

 Sabbutia? — Of this genus there are 4 species described 

 by Persoon, as existing within the tropical regions of 

 America, 1 in Europe, with 11 others in India and Africa, 

 principally at the Cape of Good Hope. 



150. SWERTIA. L. (Felwort.) 



Calix 4 or 5-paHcd. Corolla rotate, tube 

 very short, border flat, 4 or 5 -part(;d, segments 

 lanceolate, with 2 nectariferous ciiiate pores at 

 the base of each. Germ attenuated into a short 

 style, terminated by 2 stigmas. Capsule l-celled, 

 2-valved. 



Habit similar to Gentiana. Flowers axillary and ter- 

 minal, peduncles ofcen many-flowered. 



Species. 1. S. fusiigi'ata, Pursli. 2. pusiUa,V. (S. 

 tetrapftaio? of V&\\a.s.) — § ii. Ceratia. Corolla subcam- 

 paniilate, caicarate at the base. — 3. comicvhita. 



Of Swertia, besides the above, there are but 7 species 

 described in Persoon, and of tliese, tlie S. dijfornus ap- 

 pears reterable to Sabbatia. Europe produces 1 species, 

 (the S.perennis,) Arabia Felix, another, Siberia 2, as well 

 as the .">'. coriiiciiUita, but almdsv specifically distinct from 

 the American pbnt; there is 1 species also in the Andes 

 of Peru. All the species of this genus appear to be al- 

 pine. 



151. FRASERA. Walter, Mickaux, 



Calix deeply 4-parted. Corolla 4-parted, 

 spreading; segnients f»val, witlj a bearded orbi- 

 cular gland in tlie middle of each. Capsule com- 

 pressed, partly marginated, 1 celled. Seeds 

 few, (8 to 12) imbricated, large, elliptic, with a 

 membranaceous margin. 



Biennial; stem tall; leaves verticUkte; segments of the 

 corolla, furnished with very conspicuwus ciliated g;landsv 



