98 
FIRST BOOK. 
as you can from the orange flower. In some the 
petals are jomed, and growing in the shape of a 
bell, or a trumpet, or in many 
other forms." 
6. ''The petals drop off after 
the flower has been open for a 
time/' said Frank. 
''Yes; as soon as their work is 
done and they are no longer 
needed they wither, and their 
(I Corolla, & Calyx of short Kfo is ovor. But the cup 
a Flower. 
of green sepals often remains; 
you may see it on the orange even when the fruit 
is full grown." 
FLOWERS.— Ill 
1. "Will you tell us the name of these tiny 
threads in the middle of the flower?" asked Jane. 
" Each of them seems to have a knob at its 
end," said Frank. 
2. " So it has," said his father. " And you 
have already given them a good name, Jane, for 
their real name is stamens, which means 'threads'. 
They each bear a little case of yellow dust, called 
pollen. When the cases are ripe they burst and 
let the pollen out. You may see it quite well if 
you shake a flower over a piece of paper. 
