THE ORANGE. 
127 
that this is of use to the fruit in driving off insects 
that might try to get to the pulp. 
3. When the rind is off we may tear the fruit 
into eight or ten parts^ all of the same size and 
shape. In each part a very thin, white skin holds 
the yellow, 
juicy pulp in 
which seeds lie 
hidden. 
4. Look very 
closely at this 
pulp. You may 
find that it is 
made up of a 
great number 
of tiny bags of 
juice. These 
bags are plant 
_I| Section of an Orange. 
cells. Every 
part of every plant is built up of cells, and in the 
orange fruit these are large enough to be easily 
seen. 
5. Pick out one of the seeds. You find it white 
and hard, with a tough, leathery skin. The 
orange belongs to the berry class of fruits. It 
is put in that class, because its seeds lie loose in 
the pulp, and the rind does not split open to let 
them out. 
