Uii'S!] GKNTIAN&. 107 



-ginal. Stem herbaceous, rarely somewhat shrubby. 

 Leaves opposite, mostly undivided and sessile ; floral 

 ones occasionally diminished into a pair of Bracteas." 



A very natural Order, distinguished by it's general, 

 often very intense, bitterness. Mr. Brown observes, 

 that the segments of the Corolla are imbricated be- 

 fore expansion, and vary from 4 to 8 ; we may say to 

 1 C 2 or 13. The Fruit is sometimes pulpy. The Em- 

 bryo is straight, in the axis of a soft fleshy Albumen; 

 the Radicle pointing towards the Scar. Plants mostly 

 smooth. Leaves undivided and entire, without Sti- 

 pulas. 



Sect. ]. Capsule of 1 cell. Gentiana, fig. 182, 

 whose Corolla is very differently shaped in the dif- 

 ferent species, Lita Schreb. Gen. 79*5. (Voliiria Aubl.), 

 Picrlum Schreb. 79 1. (Coutoubca Aubl.), Szvertia 

 and Chlora ; to which may be added Sabbatia qf 

 Adanson and Salisbury, Pursh N. Amer. 1 37, Ortho- 

 &iemon Br. and Erythraa of Renealm and Brown, 

 Prodr. N. Holl. v. 1. 451, composed of several Chi- 

 Tonicc of other authors. 



Sect. 2. Caps, simple, of 2 cells. E.racum, fig. I S3, 



Lisianthus, Myrmccia Schreb. Gen. 74 (Tachia of 



Aubl.), Chironia and Nigrina; as well as Sebcea of 



.Solander and Brown, with Mitrasacme Labill. a large 



New Holland genus. 



Sect. 3. Caps, of 2 separable cells. Spigelia and 

 Ophiorrhiza, excluding O. Mungos which is a distinct 

 genus of the Rubiacece, Ord. 57. Here also is to be 



