254 lobeliace^e. (lobelia family.) 



* Flowers scarlet. 



1. L. cardinalis, L. (Cardinal-flower.) Smooth or slightly pubes- 

 cent; stem stout, simple ; leaves lanceolate, denticulate ; bracts leafy; stamens 

 and stylo much longer than the corolla. — Muddy banks, Florida to Mississippi, 

 and northward. July-Sept. H— Stem 2°-3°high, Raceme many-flowered. 

 Flowers very showy. 



* * Flowers blue and white. 

 •*- Sinuses of the calyx with deflexed appendages. 



2. L. syphilitica, L. Hairy ; leaves thin, lanceolate, acute at each end, 

 coarsely serrate ; racemes leafy, many-flowered ; calyx hairy ; the lanceolate 

 denticulate lobes half as long as the large (1' long) light blue corolla. — Swamps 

 along the mountains, Georgia, and northward. Aug. and Sept. 1J. — Stem 1°- 

 3° high. 



3. L. puberula, Michx. Softly pubescent or villous, or sometimes nearly 

 smooth; leaves thickish, mostly obtuse, lanceolate or oblong, glandular-den- 

 ticulate ; spikes mostly 1-sided ; calyx top-shaped, the linear lobes nearly as 

 long as the tube of the bright blue corolla. — Swamps and low ground, Florida 

 to Mississippi, and northward. Aug. and Sept. 1]. — Stem 1°- 2° high. Co- 

 rolla half as large as in the preceding. Appendages of the calyx obtuse. 



4. L. leptostachys, A. DC. Closely pubescent; stem slender, simple; 

 leaves oblong-lanceolate, obtuse, denticulate ; flowers small, crowded in an elon- 

 gated spike ; appendages of the calyx 10, subulate, as long as the tube. — South 

 Carolina and northward. July and Aug. \\. — Stem 1°-H° high. Corolla 

 3" -4" long. 



5. L. breviiblia, Nutt. Stem thick, virgate, angled, smooth or pubescent ; 

 leaves short (4"- 12" long), fleshy, oblong-linear, obtuse, toothed, spreading or/ 

 reflexed ; the lowest wedge-shaped ; calyx hirsute, the ovate-lanceolate lobes 

 Strongly toothed, the 5 appendages obtuse ; corolla pale blue. — Damp open pine 

 barrens, Florida, Alabama, and westward. Oct. 1J. — Stem l°-l£° high. 

 Leaves very numerous. 



+- ■§- Sinuses of the calyx without appendages. 



6. L. amcena, Michx. Smooth or rough-pubescent; leaves scattered, 

 oblong, obtuse, denticulate, the lower ones tapering into a long petiole, the 

 uppermost nearly sessile; racemes 1-sided, many-flowered; calyx-lobes linear- 

 subulate, mostly glandular; corolla (l'long) bright blue. — Swamps, Florida to 

 South Carolina, and westward. Sept. and Oct. 1|. — Stem 2° -4° high. Low- 

 est leaves .'}'- 6' long. Bracts small. 



7. L. glandulosa, Walt. Smooth or pubescent; stem mostly simple, 

 nearly leafless above; leaves thick, linear or linear-lanceolate, gland ular-dcn- 

 ticulate, sessile, Ac uppermost scattered and bract-like; racemes 1 -sided, 3-9- 

 flowered, the flowers distant ; calyx smooth or hirsute, with linear glandular 

 lobes i corolla (8"- 10" long) pale blue. — Fine-barren swamps, Florida, North 

 Carolina, and westward. Oct. 1|.— Stem 2° -4° long. Lower leaves 2' -4' long. 



8. Li. inflata, L. Pubescent Or hairy ; stem leafy, branching from the 

 base ; leaves oblong, obtuse, toothed, sessile ; racemes leafy below ; corolla small, 



