PENTANDRIA— DIGYXIA. Geiulana. 27 



Perennial. August. 



Root; of several long, cylindrical, whitish, intensely bitter fibres. 

 Hcr{) quite smooth, bitter. Stem erect, a foot or more in height, 

 square J leafy and simple below j panicled above. Lea i^es about 

 the base of the stem, opposite, stalked, ovate, acute, 1 4 or 2 inches 

 long'. Panicle of about a dozen light purj)lishy/o?/'<ers, on oppo- 

 site angular stalks, with a pair of elliptic-oblong bracteas at their 

 origin. Cat. purplish. Cor. an inch wide, witli greenish necta- 

 ries. Germen often abortive. From Swiss specimens, 



1.35. GENTIANA. Gentian. 



Linn. Gen. 12o. Juss. 141. Fl. Br. 284. Tourn. f. 40. L<an. t. 

 109. Gccrtn. t. \\4. 



Nat. Ord. see 7i. 134. 



Cal. inferior, of I leaf, in 5, sometimes but 4, oblong, acute, 

 j)ermanent segments. Cot\ of 1 petal; tubular in the 

 lower part; limb more or less spreading, in 5, sometimes 

 but 4, deep, e(|ual segments, withering, destitute of necta- 

 riferous j)ores. Filam. as many as the segments, and al- 

 ternate therewith, inserted into the tube, and not pro- 

 truding beyond it. Anth. incumbent, obiong, sometimes 

 combined. Germen oblong, nearly cylindrical, pointed. 

 Sh/les short, erect, sometimes combined. Stigmas flat, 

 ovate. Caps, oblong, or elliptical, nearly cylindrical, 

 jiointed, slightly cloven, of 2 valves and 1 cell. Seed."; 

 numerous, small, compressed, inserted into the inllexed 

 marnfins of the valves. 



Herbaceous, smooth, very bitter, extremely various in size. 

 Jjeaves opposite, undivided, entire. M. joanicled, whorled, 

 or solitary, scentless, blue, purplish, or yeilovr, oiten dotted. 

 Corolla remarkably dilterently formed in diflerent sj}ccies; 

 in some wheel-shaped, but mosdy fujniel-shapetl, or tubu- 

 lar; sometimes bearded at the mouth, or fringed at the 

 edges. Siiflr apparently simple, though subse(jui!ntly 

 divided. Slhj^mas always 2. 



1. G. PjiCitiiwjKuithc. Alarsb Cicniiaii. Ciihitbian 

 Violet. 



Corolla bell-shaped, five-clei't. Flowers slalkcil. Leaves 

 linear. 



G. Pneumonanlhe. Linn. Sp. Fl. WM). IllUJ.r. 1. i;i::r.. //. /;,-. 

 2H;k Fn^l. Bat. v. 1. /. 20. i /. Jhni. t. 26!^ Lhrh. llrrh. 10;>. 



PI. ofr.:ir>.i. 



<;. n. fill. //nil. Unl.v. 1.28.S. 



