216 DICOTYLEDONOUS. 



d.uncles. The 3 outer leaves of the calyx large, the 2 interior small and sub- 

 ulate. Anthers sagittate. 



Blue. % July — Sept. Along the margin of ponds. 



3 H Amplexicaulis. ^tetn procumbent, woolly. Leaves cordate, am- 

 plexicaule, entire. Flowers on opposite peduncles, shorter than the leaves, 

 larger than the preceding species. 



Blue. % July — Sept. Wet, pine barrens. Mid. Car, sfe Ga. 



4 H MiCRANTHA. Stem prostrate, glabrous, succulent. Leaves sessile, 

 ovate, obtuse, entire, glabrous. Flowers on axillary peduncles, shorter than 

 the leaves. 



White. % Sept.— Oct. On the margins of rivers. 



Genus XI GERARDIA. 



Calyx 5-toothed. Corolla sub-campanulate, unequally 5- 

 lobed ; segments rounded. Stamens 4 didynamous. Capsule 

 2-ceiled, dehiscing at the summit. 



1 G Aphylla. Stem erect, naked, nearly simple, with opposite, ovate 

 scales, sometimes a few minute leaves. Calyx small, 5-toothed. Corolla 

 small, longer than the peduncle. Capsule ovate. 



Purple. CS) June — July. Along the sea coast. 2-3 ft. 



2 G Plukenetii. Stem erect, much branched, slightly angled. Leaves 

 small, setaceous, glabrous. Floxoers numerous, axillary and terminal, on pe- 

 duncles shorter than the leaves. Calyx with 5 minute teeth. CoroZZa pu- 

 bescent. Capsule globose. 



Purple. % Aug. — Oct. Common in wet lands. 



3 G Setacea. /Sfem erect, much branched, glabrous, slender. Leaves se- 

 taceous, glabrous. Flowers axillary and terminal, on leafy branches. Calyx 

 truncate, with small, subulate teeth. Corolla hairy, the border nearly equal- 

 ly 5-cleft, ciliate, with the tube white. 



Purple. ^ Aug. — Sept. Damp lands. 1-2 ft. 



4 G Fasciculata. Stem erect, scabrous, marked with lines, branching at 

 the summit. Leaves opposite and by threes, sometimes alternate, linear, acute, 

 clustered. Flowers large, on peduncles shorter than the leaves. Calyx trnn- 

 cate, with small, subulate teeth. Corolla with the upper segments reflexed, 

 villous, the three lower pubescent, ciliate. 



Purple, spotted with red. Aug. — Oct. Common in the low country 



5 G Filifolia. Stem erect, terete, branching. Leaves filiform, glabrous, 

 alternate, in axillary clusters ; segments of the calyx acutely toothed. Flo^ 

 ers on peduncles longer than the leaves. Corolla with the throat pubescent, 

 ventricose. 



Purple. <v) Aug. — Oct. Southern Georgia. 



6 G Purpurea. Stem erect, much branched, scabrous. Leaves linear- 

 acute, scabrous. Flowers nearly sessile, large. Calyx with short, subulate 

 teeth. Corolla pubescent. 



Purple. # Aug. — Sept. Damp soils, common. 



7 G Tenuifolia. -Ste/n diffuse, much branched, glabrous, angled. Leaves 

 linear, acute, glabrous, except on the margins. Flowers on peduncles short- 

 er than the leaves. Calyx with minute teeth. Corolla pubescent, ventricose, 

 with the segments ciliate, with the tube nearly white. 



Purple. Aug. — Oct. Dry, sandy soils. Common in Mid. Ga. 



8 G LiNiFOLiA. Stem erect, slender, with erect, virgate branches. Leaves 

 linear, appressed to the stem Flowers on peduncles shorter than the leaves, 

 which become elongated. Calyx truncate, with 5 minute teeth. 



Purple. 1|. Aug.— Sept. Damp, pine barrens. 



9 G Flava. Stem pubescent, sparingly branched, or simple, pubescent. 

 Lower leaves lanceolate, sometimes deeply serrate, on short petioles, upper 



