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210
The Fairy-Land of Science
·
Arabella B. Buckley
150
If
you
suck
the
end
of
the
tube
of
the
primrose
flower
you
will
find
it
tastes
sweet,
because
a
drop
of
honey
has
been
lying
there.
When
the
insects
go
in
to
get
this
honey,
they
brush
themselves
against
the
yellow
dust-bags,
and
some
of
the
dust
sticks
to
them,
and
then
when
they
go
to
the
next
flower
they
rub
it
off
on
to
its
sticky
knob.
Look
at
No.
1
and
No.
2
(Fig.
43)
and
you
will
see
at
once
that
if
an
insect
goes
into
No.
1
and
the
pollen
sticks
to
him,
when
he
goes
into
No.
2
just
that
part
of
his
body
on
which
the
pollen
is
will
touch
the
knob;
and
so
the
flowers
become
what
we
call
"crossed,"
that
is,
the
pollen-dust
of
the
one
feeds
the
ovule
of
the
other.
And
just
the
same
thing
will
happen
if
he
flies
from
No.
2
to
No.
1.
There
the
dust
will
be
just
in
the
position
to
touch
the
knob
which
sticks
out
of
the
flower.
Therefore,
we
can
see
clearly
that
it
is
good
for
the
primrose
that
bees
and
other
insects
should
come
to
it,
and
anything
it
can
do
to
entice
them
will
be
useful.
Now,
do
you
not
think
that
when
an
insect
once
knew
that
the
pale-yellow
crown
showed
where
honey
was
to
be
found,
he
would
soon
spy
these
crowns
out
as
he
flew
along?
or
if
they
were
behind
a
hedge,
and
he
could
not
see
them,
would
not
the
sweet
scent
tell
him
where
to
come
and
look
for
them?
And
so
we
see
that
the
pretty
sweet-scented
corolla
is
not
only
delightful
for
us
to
look
at
and
to
smell,
but
it
is
really
very
useful
in
helping
the
primrose
to
make
strong
healthy
seeds
out
of
which
the
young
plants
are
to
grow
next
year.
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