Botany for Ladies: or, A Popular Introduction to the Natural System of Plants, According to the Classification of De Candolle.Loudon, Mrs. (Jane)
Science
Botany for Ladies: or, A Popular Introduction to the Natural System of Plants, According to the Classification of De Candolle.
Loudon, Mrs. (Jane)
Botany; Plants -- Classification
_Melia Azederach_, the Pride of India, or Indian Lilac, or Bead-tree,
for it is known by all these names, is a native of Syria, which
has become almost naturalised in the South of Europe, particularly
near the Mediterranean. The leaves are bi-pinnate, the flowers are
violet-coloured, and the fruit, which resembles that of the cherry, is
of a pale yellow when ripe. The pulp is poisonous, and the stones are
used for making rosaries in the Roman Catholic countries.
ORDER XLVIII*.—CEDRELEÆ.—THE MAHOGANY TRIBE.
This order was at first united to Meliaceæ by De Candolle, but it has
been separated on account of its winged seeds. It contains, among other
genera, the Mahogany tree (_Swietenia Mahagoni_), and the West Indian
Cedar (_Cedrela_). The leaves of these trees are alternate and pinnate,
with unequal-sided leaflets; and the flowers are in large spreading
panicles composed of numerous little cymes. The fruit is capsular, and
the seeds are winged. The genera contained in this order, all require a
stove in Great Britain.
ORDER XLIX.—AMPELIDEÆ.—THE VINE TRIBE.
[Illustration: FIG. 133.—FLOWERS OF THE VINE.]
The natural order Ampelideæ contains several genera, but of these
only the Vine and the five-leaved Ivy are common in British gardens.
It seems almost ridiculous to talk of the flowers of the Vine, as
the bunches, even when they first appear, seem to consist of only
very small grapes, which gradually become large ones. The flowers,
however, though small and insignificant, are perfect, and they have
each a distinct and regularly formed calyx and corolla. The calyx of
the common Grape (_Vitis vinifera_) is very small, and remains on
till the fruit is ripe; there are five petals (_a_ in _fig._ 133),
which never expand, but remain fastened together at the tip, detaching
themselves at the base, when it is necessary that they should give
room to the ripening stamens (_b_). The petals, which form a kind
of extinguisher, when they are raised by the five stamens, fall off
(_c_), and occasion the chaffy appearance observable in clusters of
Vine-flowers. The ovary is, when young, in two cells, each containing
two seeds; and it is crowned with a nearly flat, round stigma, without
any style. When the fruit begins to swell, the ovary becomes filled
with a pulp, which is solid, and not contained in bags like that of
the Orange; and the dissepiment that divided the two cells gradually
wastes away. Two, and sometimes three of the seeds also frequently
disappear, so that four seeds are rarely found in the ripe grape. The
seeds themselves are bony, and covered with a jelly-like matter; and
when they are cut open, they are found to consist of a large quantity
of hard albumen, with a very small embryo at the tip. The Vine is a
climbing shrub, with lobed leaves, which are frequently deeply cut;
the bunches in which the grapes are disposed are called branched or
thyrsoid racemes (see 137), and the tendrils, by which the plant
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