134 THE BEAUTIES OF NATURE CHAP. 
THE HEATH 
‘In the hanging flowers of Heaths the sta- 
mens form a ring, and each one bears two 
horns. When the Bee inserts its proboscis 
into the flower to reach the honey, it is sure 
to press against one of these horns, the ring 
is dislocated, and the pollen falls on to the 
head of the insect. In fact, any number of 
other interesting cases might be mentioned. 
BEES AND FLIES 
Bees are intelligent insects, and would soon 
cease to visit flowers which did not supply 
them with food. Flies, however, are more 
stupid, and are often deceived. Thus in our 
lovely little Parnassia, five of the ten stamens 
have ceased to produce pollen, but are pro- 
longed into fingers, each terminating in a 
shining yellow knob, which looks exactly like 
a drop of honey, and by which Flies are con- 
