LOBELIACE^. (LOBELIA FAMILY.) 283 



♦ Flowers deep red, large : stem simple. 



1. L. cardinklis, L. (Cakdinal-fm)Wkk.) Tiill(2°-4°lii';li), smooth- 

 ish ; leaves obIoiij;-laiK-eo!ate, .slij^Iitly tootlied ; raceme eloii^ateti, ratlier l-sidcd ; 

 the pedicels iiiueh sliorter tliaii tlie leaf-like bracts. — Low grounds: coininon. 

 — rerennial liy oH'sets, with large and very showy intensely red flowers, — rarely- 

 varying to rose-color! (Plymouth, Mr. Gilbert), or even to white ! 



* * Flotvers blue, or blue varicijuted with white. 

 •*- Stems leafy to the top, simple (l°-3° hiijli) from a perennial root ; leaves oblong yr 

 ovate-lanceolate: sinuses of the calyx with conspicuous dejiextd auricles : flowers 

 crowded in a long s/ii/ce or dense jaceme. 



2. L. syphilitica, L. (Great Lobelia.) Sotnewhat hairy; leaves thin, 

 acute at both ends (2' -6' long), irregularly serrate; flowers (nearly l'long)pedi- 

 celled, longer than the leafy bracts; calyx hirsute, the lobes half the length of 

 tlu; corolla, the short tube hemispherical. — Low grounds; connnon. — Flowers 

 light blue, rarely white. 



3. L. pubdrula, Michx. Finely sojl-pubescent : leaves thickish, obtuse (1'- 

 2' long), with small glandular teeth ; spike rather 1 -sided; calyx-lobes (and ovate 

 bracts) little shorter than the corolla, the hairy tube lop-shaped. — JMoist grounds, New 

 Jersey to Illinois and southward. — Corolla bright blue, |' long. 



4. L. leptostachys, A. DC. Smooth above ; leaves obtuse, denticulate, ob- 

 long-lanceolate, the upper gradually reduced to awl-shaped bracts ; raceme spike 

 like, long and dense ; lobes of the calyx nearly equalling the corolla, the auri- 

 cles in the form of 10 awl-shaped appendages as long as the hemispherical tube. — 

 Sandy soil, Illinois and southward. — Corolla 3" -4" long. 



f- ■>- Stems leafy, mostly simple (I' -2^' high) from a perennial root : leaves lanceo- 

 late or oblong-lanceolate: calyx-tube hemispherlcrd, the sinuses destitute of auricles: 

 floivers pretty large (§'- 1' long) and showy, in a loose 7iearly l-sided raceme: 

 anthers sometimes bearded on the back. 



5. L. glanduldsa, Walt. Sparingly pubescent : leaves, bracts, and usu- 

 ally the lobes of the calyx strongly glandular-toothed; calyx-tube densely hispid, 

 rarely sparsely so, or smoothish. — Moist places, Virginia and southward. 



6. L. amfiena, Michx. ^^/o/woi/s (rarely minutely pubescent) ; leaves and 

 bracts usually glandular-toothed ; calyx-lobes entire and slender. — Shady moist 

 places, Virginia and southward. 



■*-■*-■*- Stems leafy : calyx tvith no auricles or appendnqes at the sinuses : flowers 

 small i'-i' long, racemed : roots slender, annual or biennial, or perhaps some- 

 times perennial. 



*^ More or less pube.srent, at least below: leaves oblong or ovate: sterns anghd or 

 striate : racemes splice-like : corolla pale blue. 



7. L. infl^ta, L. (Indian Tobacco.) Stems paniculately much branched 

 from an annual root, pubescent with spreading hairs (9'- 18' high) ; leaves 

 ovate or oblong, toothed, gradually diminishing into leaf-like bracts, which ex- 

 ceed the lower short-i)edicellc(l flowers, calyx-tube ovoid, the /W inflated. — Dry 

 open fields: common. — Corolla only l.J"-2"long. I'laut poisonous and a 

 noted quack mediciae- 



