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
The male catkins of the common British Oak (_Quercus Robur
pedunculata_) are long and very few flowered; the flowers being small
and very far apart. The flowers themselves have six or eight stamens
and as many feathery bracts, which are united at the base. The female
flowers (_a_ in _fig._ 85) are produced on a long stalk at a distance
from each other, and each consists of an ovary closely covered with a
toothed calyx, as shown in the highly-magnified flower at (_c_), and
an involucre of several bracts or scales, (_d_); the style is short
and thick, and the stigma (_e_) is three-lobed. As the fruit ripens,
the style and stigma wither away, and the seed remains covered by
the adnate calyx (_b_), which has become hard and shining. There is
a circular mark or scar at the bottom of the acorn when taken out of
its cup, which is called the hilum; and when the acorn is planted,
this part should be kept upwards, as the foramen or part where the
germ lies is at the other end. When the acorn begins to germinate,
it opens at the foramen, cracking a little about half-way down, but
not dividing entirely (see _fig._ 86). The root (_a_) then begins to
protrude, and soon after the plumule, or young shoot (_b_), the leaves
of which gradually unfold themselves. A curious experiment may be tried
by suspending an acorn in a glass of water, or by placing it in one of
those glasses with a wide mouth and a narrow neck, used for nosegays;
when, if kept in a sitting-room, the acorn will gradually open, and the
root and leaves develop themselves; and thus may be watched the first
beginning of the monarch of the forest, the progress of which is so
strikingly depicted in the beautiful lines adapted by Cowper to the
hollow trunk of a gigantic oak in Yardley Chase near Castle Ashby:—
Thou wert a bauble once, a cup and ball
Which babes might play with; and the thievish jay,
Seeking her food, with ease might have purloin’d
The auburn nut that held thee, swallowing down
Thy yet close folded latitude of boughs,
And all thy embryo vastness, at a gulp.
Time made thee what thou wert—King of the Woods!
And time hath made thee what thou art—a cave
For owls to roost in! Once thy spreading boughs
O’erhung the champaign, and the numerous flock
That grazed it, stood beneath that ample cope
Uncrowded, yet safe shelter’d from the storm.
Public-domain text, read in full here on John Shaqi.
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