1146 LOBELIACEAE 
dm. long, interrupted : pedicels erect or ascending, curved, scabrous: sepals surpassing the 
bracts, lanceolate-subulate, alternate, 3.5-5 mm. long, glabrous, never ciliate, without 
auricles or with small callus-like appendages at the base : corolla blue, 7-8 mm. long ; tube 
as long as the sepals: capsules 5-6 mm. long. 
In eedar glades, Tennessee. Spring. 
16. Lobelia spicata Lam. Annual or biennial, slender, puberulent, or sometimes 
nearly glabrous. Stems erect, 1-2 dm. tall, rarely branched : leaves firm, 1-10 cm. long, the 
basal with spatulate obovate or suborbicular petioled blades, the upper ones varying from 
oblanceolate to lanceolate, sessile, all crenate-dentate or nearly entire, obtuse: raceme 
1-5 dm. long, often continuous : pedicels slender, erect or ascending : sepals (and hypan- 
thium) usually as long as the pedicel or longer, linear-subulate, 3-5 mm. long, without 
appendages at their bases: corolla blue or white, 6-9 mm. long ; tube surpassing the sepals : 
capsules 2.5-3 mm. high. 
In dry sandy soil or meadows, Ontario to the Northwest Territory, Florida and Texas. Summer. 
17. Lobelia leptostachys A. DC. Annual or biennial, puberulent or glabrate. 
Stems erect, 3-12 dm. tall, usually simple, somewhat angled : leaves firm, 3-10 cm. long, 
the lower ones with oblanceolate or obovate, short-petioled blades, the upper ones with 
blades varying from oblong to lanceolate and sessile, all entire or distinctly toothed, mostly 
obtuse: raceme 1-4 dm. long: pedicels usually erect, more or less scabrous : flowers ap- 
proximate or distant: hypanthium turbinate, becoming hemispheric: sepals subulate- 
lanceolate, 5-6 mm. long, each with a pair of linear or subulate deflexed appendages at the 
base : corolla blue, 6-8 mm. long: capsules 3-3.5 mm. high. 
In dry soil, Virginia to Ohio, Kansas and Georgia. Summer. 
18. Lobelia bracteàta Small. Biennial or perennial, pale green, nearly glabrous. 
Stems erect, 8-10 dm. tall, simple, angled: leaves few ; blades thickish, spatulate to ob- 
long or linear-lanceolate, or linear, 3-10 cm. long, obtuse or acute above, glandular-toothed, 
paler beneath than above, ciliate or ciliolate near the base, the lower ones narrowed into 
margined petioles, the upper sessile: raceme 1-4 dm. long, conspicuously bracted, sel- 
dom densely flowered : bracts linear or linear-subulate, 8-15 mm. long, glandular-toothed, . 
surpassing the corollas, spreading or ascending-spreading : pedicels often puberulent: sepals 
linear-subulate, 3.5-4 mm. long, prolonged into subulate deflexed appendages at the base, 
with the hypanthium longer than the pedicels: corolla blue, 8-9 mm. long; tube about 
equalling the sepals in length ; lobes acute: capsules 5-7 mm. high. 
In sandy pine woods, North Carolina and Georgia. Summer. 
19. Lobelia inflata L. Annual, pubescent with spreading hairs, light-green. Stems 
erect, 1-10 dm. tall, simple, or branched throughout, narrowly winged ; branches very 
slender: leaf-blades ovate, oval or the lower ones obovate, all varying from 2-9 cm. in 
length, obtuse or acutish, crenate, sessile, the nerves impressed above, prominent beneath : 
bracts ovate or lanceolate : pedicels slender, 3-10 mm. long: hypanthium campanulate, at 
length much inflated, glabrous, marked with purple ribs: sepals linear, erect or ascending, 
acute, much longer than the tube: corolla pale lilac, 7-8 mm. long; lower lobes ovate, 
with 2 yellow blotches at the base; upper lobes linear-spatulate, all acute ; tube slightly 
pubescent within : capsules oblong or oval, inflated, 5-8 mm. long, included in the accrescent 
hypanthium, crowned with the persistent sepals : seeds oblong, reticulated. 
. In dry soil and on hillsides, Labrador tothe Northwest Territory, Georgia, Arkansas and Nebraska. 
Spring to fall. INDIAN TOBACCO. WILD TOBACCO. i 
20. Lobelia Boykínii T. & G. Perennial, slender, glabrous, usually aquatıc. Spana 
erect, 3-8 dm. tall, virgate, hollow, simple or sparingly branched : leaves few, reduced ; 
blades linear-filiform or filiform, 1-3 cm. long, distantly glandular-toothed, sessile : ee 
interrupted, 1-2 dm. long: pedicels filiform-setaceous, mainly 1 cm. long, subtended by "Ao 
ulate bracts which are usually about J as long as the pedicels, each much longer n 
hypanthium : sepals slender-subulate, 3.5-4.5 mm. long, spreading: corolla bright ue, 
8-10 mm. long ; tube slightly surpassing the sepals : capsules half-inferior, 3-3.5 mm. ‘ong- 
In pine-land swamps, South Carolina to Georgia and Florida. Spring and summer. 
21. Lobelia Cánbyi A. Gray. Annual, or perennial from offsets, slender, Mw 
uc ede or glabrate. Stems erect, 3-8 dm. tall, simple and wand-like or penis * us 
ranched : leaves rather few ; blades linear or oblong-linear, 2-6 cm. long, sessi e 8 s 
dular-denticulate : racemes 0.5-3 dm. long: pedicels slender, erect or ascending, $ ee 5 
than the subtending bracts, each as long as the hypanthium or shorter : sepals «anon ut 
ulate, 2.5-3 mm. long, glandular-denticulate : hypanthium elongating in age: corolla eats 
nes 8.5-9.5 mm. long ; tube surpassing the sepals: capsules wholly inferior, about 
ong. 
In pine-land swamps, New Jersey to South Carolina. Summer and fall. 
