(166 TYPES OF BRITISH PLANTS 
can gather it (which is not always easy, for it prefers the 
middle of the ditch), you will notice here also the double 
arrangement of pistil and stamen. The plant is unmis- 
takable, with its finely-divided leaves and its tall, branching 
spike of white flowers, half an inch to three-quarters of 
an inch across. For the cheerful Moneywort, Creeping 
Jenny, or Herb Twopence, I can only spare space to note 
that in this country it is said never to form seeds, and to 
depend only on its creeping roots for extension. 
The Heaths must in passing be noted, and also their 
strict adherence to the bell-shaped corolla. It is perhaps 
well to point out the difference between heath and 
heather, for the names are sometimes confused, though 
the plants are distinct. In the Heaths, of which two 
are common, we find large bells, perhaps an eighth of 
an inch across at the mouth, grouped in nodding clusters, 
and the leaves are undivided and set in circles round the 
stem. The heather, on the other hand, bears erect spikes 
of small flowers, and its leaves, which are very small, 
have abandoned the circular arrangement. Its flowers 
have an eccentric peculiarity in that the calyx, which 
is of a bright rose colour, overlaps the corolla tube, 
which is quite concealed within it. To aid this deception 
on the part of the calyx, four small green bracts are 
posted just at the base of the bell, and pretend to be the 
calyx themselves. It is not till one cuts the flower open, 
and finds the corolla within, that the true state of affairs 
is shown. Here, again, if you ask the reason, as I hope 
you may, I can only say that happily there are plenty of 
botanical puzzles still left for you to solve, and this is one 
of them. 
