LOBELIACEAE 1145 
leaves few ; blades linear, narrowly linear, or linear-oblanceolate below, 2-15 cm. long, 
obtuse or acutish, shallowly repand or glandular-toothed, slightly revolute, sessile or the 
lower ones short-petioled : racemes few-flowered, often recurved : pedicels 1-1.5 cm. long, 
erect, often hirsute near the tip : hypanthium often sparingly hirsute, campanulate, 3-3.5 
mm. long : sepals linear-lanceolate, 3 or 4 times as long as the hypanthium, remotely denticu- 
late with gland-tipped teeth : corolla showy, about 2 em. long; tube much longer than the 
calyx ; limb 2-3 em. broad ; lobes abruptly pointed or mucronate: capsules 5-7 mm. high. 
In wet sandy pine lands, Virginia to Florida. Spring to fall. 
10. Lobelia Halei Small. Perennial, slender, nearly glabrous. Stems erect or 
ascending, simple, sometimes zigzag: leaf-blades thick, 2-8 cm. long, the lower with 
oblong-spatulate rather obtuse petioled blades, the upper narrowly lanceolate or linear- 
lanceolate, acute, sessile, more or less denticulate: raceme 1-2 dm. long: pedicels erect 
or ascending, usually pubescent: hypanthium often minutely pubescent : sepals lanceolate 
to ovate-lanceolate, 3-5 mm. long, entire or sparingly toothed, prominently auricled at 
the base: corolla blue; tube about twice as long as the sepals; lobes acute: capsules 
slightly shorter than the sepals.  [.L. Ludoviciana A. Gray, not L. syphilitica var. Ludovi- 
ciana A, DC.] 
On wet prairies, Louisiana and Texas. Spring. 
11. Lobelia Floridana Chapm. Perennial, glabrous. Stems erect, 8-15 dm. tall, 
simple or branched above, scape-like : leaves mainly basal; blades linear or slightly 
broadened upward, strap-like, 1-4 dm. long, undulate or crenate-undulate, sessile ; those 
of the stem-leaves much reduced and remote: raceme usually many-flowered : bracts as 
long as the pedicels or slightly longer: hypanthium sometimes slightly glandular: sepals 
lanceolate, 4-5 mm. long, denticulate, auricled at the base: corolla blue, 15-18 mm. long; 
tube about twice as long as the sepals, minutely pubescent without: capsules about one- 
half superior. 
In wet pine lands, Florida to Mississippi. Spring to fall. 
12. Lobelia paludósa Nutt. Perennial, more or less aquatic, slender, glabrous. 
' Stems scape-like, erect, 2-7 dm. tall, simple or sometimes branched above: leaves mostly 
basal; blades linear or linear-spatulate, or rarely oblong-ovate, 3-25 cm. long, or rarely 
longer, obtuse, entire or sinuate-crenate, sessile or petioled : raceme slender, few-flowered 
or sometimes elongated and rather many-flowered : bracts mostly shorter than the pedicels: 
hypanthium glabrous: sepals lanceolate or linear-lanceolate, 2.5-3.5 mm. long, acute, 
often entire: corolla pale blue or white, 1 cm. long or shorter ; tube fully twice as long as 
the sepals, pubescent at the base of the lips within: capsules more than one-half inferior. 
In and about pine-land swamps, Delaware to Florida and Louisiana. Spring to fall. 
13. Lobelia flaccidifdlia Small. Perennial, slender, deep green, glabrous or nearly 
so. Stems erect, 2-6 dm. tall, solitary, or loosely tufted, usually branched above: leaves 
few ; blades thin, the basal or lower cauline obovate or oblong-spatulate, the others linear- 
oblong or rarely linear-lanceolate, 3-10 cm. long, obtuse, undulate or crenate-undulate, 
short-petioled: raceme interrupted, 0.5-2 dm. long: pedicels erect, 4-5 mm. long, usually 
exceeded by their bracts: hypanthium glabrous, broadly turbinate, becoming globose- 
hemispheric, acutely and strongly ribbed : sepals linear-lanceolate, 4-5 mm. long, glandu- 
lar-toothed, auricled at the base, slightly revolute: corolla about 1.5 em. long, blue, 
aser id ubescent without ; lobes of the upper lip reflexed, crisped, about 3 as long as 
the tube, the lower lip as long as the tube; lobes acute, the middle one lanceolate, the 
lateral ones oblong-lanceolate: anthers pubescent: capsules ovoid, 5-8 mm. long, beaked, 
more than one-half inferior. 
In sand in deep river swamps, southern Georgia and Florida. Summer. 
14. Lobelia appendiculàta A. DC. Annual or biennial, glabrous or rough-pubes- 
cent above. Stems erect, 3-6 dm. tall, often branched above, at length angled : leaves few ; 
blades thinnish, those of the basal leaves spatulate or oblong-spatulate, petioled, the upper 
ones ovate, oblong-obovate or oval or lanceolate, sessile, rather remote, distantly serrate, 
denticulate or undulate : raceme 0.5-3 dm. long, much interrupted : pedicels slender, as- 
cending, curved, pubescent : sepals surpassing the bracts, subulate or linear-subulate, ciliate, 
3-6 mm. long, prolonged at the base into reflexed distinct or more or less united appen- 
dages: corolla bles. 6-8 mm. long; tube about as long as the sepals : anthers pubescent on 
the back, glabrous at the tip: capsules 4-5 mm. long, hemispheric at the base. 
In low grounds or pine woods, Arkansas to Louisiana and Texas, Spring. 
15. Lobelia Gattíngeri A. Gray. Annual or biennial, glabrous or nearly so. Stems 
erect, 2-4 dm. tall, simple, or branched mainly at the base, often hispid on the angles: 
leaves several; blades thinnish, 1-4 cm. long, the basal obovate, short-petioled, the cau- 
line ovate, oblong or oval, all obtuse, irregularly toothed or nearly entire: raceme 0.5-2 
