160 THE BEHAVIOUR OF PLANTS 
stamens joined together. The columns in the others 
form the upper part of the pistils jommed together, while 

a 
=<s 
~, 






Cr 

mae pmaw 
ore’ 
wid WO AB (BD 

LF. 
Fic. 195. Stamen 
flower closed. 

FG. 196. Stamen- 
flower front cut 
away, showing 
stamens grown 
together in cen- 
tre, 

the enlargement in the flower stalk is 
the lower part of the joined pistils. 
The point on the pistil where the pol- 
len lodges we call the stigma. 
Bees and other insects go from one 
flower to another. How otherwise 
could the pollen be taken from the 
stamen flower and be placed on the 
end of the pistil in the pistil flower? 
So the bees are a great help to the 
flower in making its seed, and the 
flower gives the bee honey to pay for 
its labour. If you 
can get a marrow 
in the autumn, cut 
one in two, cross- 
wise. You see what 
a great number of 
seeds there are. Can 
you tell how many 
parts are joined in 
this compound pistil * 
which finally makes Re et 
the marrow ? front cut away. 

