464, LXXV. CAMPANULACER (HEMSLEY). [ Lobelia. 
1. LOBELIA, Linn. ; Benth. et Hook. f. Gen. Pl. ii. p. 551. 
Calyx-tube adnate to the ovary, turbinate hemispherical obovoid 
or rarely oblong-linear ; limb 5-partite or 5-fid, lobes usually somewhat 
unequal. Corolla oblique or incurved, tube split to the base at the 
back only, or sometimes the two upper petals are almost free to the 
base or (in the section Rhynchopetalum) all the petals ultimately free, 
lobes erect and nearly equal or more frequently 2-lipped; upper lip 
2-lobed, erect or spreading, lower 3-lobed. Staminal tube free from 
the corolla or rarely slightly adnate to it at the base, two or all of the 
anthers bearded at the tip, and often hairy on the back. Ovary infe- 
rior half inferior or almost free to the base, 2-celled ; placentas many- 
seeded. Capsule turbinate oblong or cylindrical, inferior half inferior 
or nearly free, dehiscing loculicidally between the persistent calyx- 
lobes.—Herbs or undershrubs of very diverse aspect. Leaves alternate 
or opposite. Peduncles 1-flowered solitary in the axils of the leaves or 
bracts, either all axillary or arranged in terminal racemes. Bracts 
large and leafy or small or absent.—Tupa, of some authors, not of G. 
Don, Gen. Syst. iii. p. 700; Rhynchopetalwm, Fresenius in Mus. Senck- 
enb. iii. p. 66, t. 4; Dobrowskia, Presl, Prod. Mon. Lobel. p. 8; Paras- 
tranthus, G. Don, Gen. Syst. iii. p. 716. 
A very large and polymorphous genus comprising about 200 species spread over 
nearly all temperate and tropical countries. 
Tall erect stout herbs with simple stems naked in the 
lower part when in flower, terminating in dense spike- 
like bracteate racemes of almost sessile or only 
shortly pedicellate large flowers. 
Bracts and flowers more or less densely pubescent or 
villous, 
Bracts considerably exceeding the flowers. 
Bracts lanceolate as well as the flowers villous; 
calyx-lobes half as long as the corolla . . 
Bracts linear, clothed as well as the flowers with 
a short pubescence; calyx-lobes less than half 
aslongasthecorolla. . .... . . . 2 D. Gibberoa. 
Bracts not exceeding the flowers; calyx-lobes about 
a third of the length of the corolla. . . . . 
Bracts and flowers glabrous; calyx-lobes about a third 
of the length of the corolla’. . . . . . . . 4 L. Deckenii. 
Slender erect procumbent or trailing herbs with axillary 
or loosely racemose small flowers on relatively long 
pedicels. 
Leaves alternate; the two lower anthers only bearded 
at the tip. 
Stems trailing or procumbent often rooting at the 
nodes. 
Petiole nearly as long as the blade, 
. L. Rhynchopetalum. 
—_ 
3. L. columnaris. 
Blade obtuse with shallow rounded teeth . 5. L. trultifolia. 
Blade acute with very deep acute teeth 6. L. acutidens. 
Petiole much shorter than the blade. a 
Blade obtuse with deep rounded teeth . 7. L. Schimpert. 
Stems erect, less than two inches high 8. L. inconspreua, 
Stems erect or procumbent usually more than ‘six 
inches high, prominently winged. 
