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30 "NATURAL ORDERS AND 
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out filaments. Anthers two celled, ovate oblong, crowded in the 
centre of the calyx. Fertile flowers with a one celled superior ovary. 
Style filiform, curved Stigma simple. Fruit a one celled single 
seeded indehiscent nut, crowned by the hardened style. Seed pendu- 
lous. Albumen wanting. Embryo straight. Radicle superior. Co- 
tyledons four, whorled, the two broadest opposite—Aquatie herbs 
with much divided whorled leaves. 
GENERA. 
Fruit sessile in the axis of the leaves... CBRATOPHYLLUM, V.3.p 1201. 
ORDER XXX. ONAGRARLE.—4Jvtss. 
Perianth double. Calyx superior, tubular, with a four or five 
lobed limb, with a valvate estivation. Petals regular, mostly equal 
in number to the lobes of the calyx, into the throat of which they are 
inserted, twisted in estivation. Stamens two, four, or eight, inserted 
into the calyx. filaments free. Anthers ovate oblong. Style single, 
filiform. Stigma capitate, or four lobed. Ovary many celled, often 
crowned by a glandular disk. uit capsular, baccate, or drupaceous, 
two to four celled. Seeds numerous (rarely solitary) in each cell, fixed 
to the central angle. Albumen wanting. Hmbryo straight. Radiele 
long and tapering. Cotyledons very short—Herbaceous plants or 
shrubs. Leaves alternate or opposite, simple, entire, or toothed. 
GENERA. 
PEICHIS LW Oe set caeodant cs ot svc ce <isaassanekat Circa, v. 1. p. 25. 
EAMES SOUT con ces den eetr eacosae acsnaae teresa Isnarpia, Vv. 1. p. 202. 
Stamens eight. 
SPGHS MUREUDIL ccenincseeceradunscanses sss Epitosiuq, vy, 2. p. 543. 
Seeds not bearded........ sscsccserssseeeeee CHNOTHERA, V. 2. p. 5D1. 
ORDER XXXII. HALORAGEA— Brown. 
Perianth double. Calyx superior, adhering to the ovary in its 
whole length, the limb very minute. Petals inserted into the summit 
of the calyx, very minute, or wanting. Stamens inserted with the 
petals, and equal to them in number, or occasionally fewer. Ovary 
adhering inseparably to the calyx, one or more celled. Stigmas 
sessile, equal in number to the cells. Fruit dry, membranous, or 
nut-like, indehiscent, more or less concreted within the calyx. Seed 
solitary, pendulous in each cell. Albumen fleshy. mbryo central 
straight. Radicle superior. Cotyledons two, short—Herbaceous 
plants or undershrubs. The European species are all aquatic herbs, 
