234 LOBELIACEAE. 
Orper XLIII. LOBELIACEAE. 
Calyx-tube adnate to the ovary, the limb 5-lobed, but the lobes some- 
times connate. Corolla gamopetalous, 5-lobed, the lobes valvate, slightly 
2-lipped, upper ones separated by deeper slits from the lower 
from each a Stamens 5, alternate with the lobes of the corolla, the 
filaments and anthers united into a tube, the anthers introrse, opening 
longitudinally, all, or the two lower ones only, bearded at the apex. 
either 1-celled with 2 parietal placentas, or more commonly 2-celled 
with everted placentas and numerous anatropous ovules. Style simple, 
2-lobed, with a ring or patches of hair below the lobes. Fruit a capsule 
or berry. Embryo straight in fleshy albumen. — Herbs, shrubs or small 
trees siren — sents Leaves alternate, without stipules, 
bl ead over ae nom and subiropion! regions of all ie 
A spre 
Of this Order, the most interesting a flora, 58 species are know 
thus far, all endemic and distributed Peg : genera, 5 of which are also endemic. Of ae 
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easy to seg where one ends an e other begins. They were all established by 
of any previou h 
inowede of Pri mode of growth of the different species, it is claimed that they have 
ccording to their natural affinities, but not that every debatable ground 
beet the sisal genera has been removed. The sixth genus, Lobelia, which is pice! 
spread over the tropical and subtropical regions of the whole world, comprises 
its 5 species two distinct types, of which one, ame hed one species only, is epare 
connected with a plant of the Loo Choo and Bonin Isla 
All the species have a woody stem; by far the ey 8 posit are tall shrubs or trees, 
many with a simple goon vided trunk a nd mes habit. 
e e range of a species in the fleshy-fruited genera it is necessary to 
— to two peculiarities in ~ mode of oak and to frequent sources of error. In 
e first place, the axillary centripetal raceme continues to grow until the last flower 
is aie and this growth paninette at a very slow rate, perhaps occupies a couple of 
a in the many-flowered racemes, and the length of a fruit-bearing raceme may 
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cannot even be mete available for ietentatng vation. Both in Cle rilenilt and in 
Cyanea we m h lobes which are short toothlike and with those which exceed 
their corollae, cake so moti A ht belong eseatvay to the former, but occur also 
in a new species of the latter g 
Corolla salyer-shaped, with a eae entire tube; the fruit capsular 1. Brighamia. 
Corolla tubular, curved, deeply slit at the back 
Fruit a capsule; flowers in terminal racemes . , . . 2. Lobelia. 
Fruit a berry; inflorescence axi t 
' Flowers 2 or 3 in simple cymes, the median bag equal to the 
lateral ones, or 5 to 13 in compound cymes or cymose umbels 3. Clermontia. 
Flowers in strict 
Staminal column in dls adnate to the corolla, the latter 
deep red or reddish-purple, laterally compressed 4, Rollandia. 
