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EXPLANATION OF THE PLATES. 24t
PLATE THE TENTH.
Parts of the Flowers, especially the Sexual Organs.
Fig. 1. Crambe Tatarica. Cruciferce. A flower from
which the integuments have been pulled off, magnified.
a. Ovary.
I. Stigma sessile.
c. Stamens four, tetradynamous; filaments of the four
longest stamens two-forked at top.
d. Nectaries, two.
Fig. 2. The entire flower of the same, of its natural size
calyx 4-sepaled, rather open ; corolla i-petaled ; tetradynamous.
Fig. 3. Reseda Phyteuma. ResedatecB. Petal irregular,
iagged, magnified.
Fig. 4. Gypsophila fastigiata. CaryophyllecB. Flower
magnified and cut longitudinally to show the insertion of
the petals and stamens on the gynophore.
a. Calyx.
h. Corolla.
c. Stamens.
d. Ovary.
e. Gynophore.
Fig. 5. Silene bupleurifolia. Caryophyllece. A flower with
the tubular, 5-toothed calyx slit down, and pulled back
that the insertion of the petals may be seen ; petals 5,
clawed, also having the limb pulled back to show the filaments.
a. Gynophore from whence grow the petals, stamens,
and pistill.
h. Petals, the limb two-cut, with a claw appendiculated
to their tips.
c. Stamens ten, five opposite and five alternate.
d. Ovary with three styles.
e. Calyx slit down.
Fig. 6. Ranunculus bulbosus. Ranunculacecc, A vertical
section of the flower to show the insertions of the different
parts.
a. Calyx.
h. Corolla.
c. Nectariferous gland scalelike at the claw of each petal.
d. Stamens indefinite, hypogynous.
e. Ovary.
f. Gynophore.
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