THE FIRST BOOK OF BOTANY. 
stance, a calyx like that shown in Fig. 156 has its 
sepals separate. They are not grown together; but. 
instead of using these words to express the fact, bot¬ 
anists say they are polysepalous, which means the 
same thing. Again, if the sepals are grown together, 
however slightly, as in Fig. 157, they are said to be 
gamosejoalous, which means the same thing. See 
schedule tenth. 
Fig. 156. 
Polysepalous Calyx. 
Fig. 157. 
Gamosepalous Calyx. 
A FolysepAlous Calyx has its sepals distinct from 
each other, so that each one can be pulled off separately. 
A GamosepAlous Calyx has its sepals more or 
less grown together by their edges, so that, if you 
pull one, the whole calyx comes off 0 
EXERCISE XXX. 
The study of corollas brings forward a good many 
new words to describe the new forms. You must 
learn these words in the same way that you have 
learned what has £one before. Take time to study all 
the flowers you can find. Compare their corollas with 
the pictures and definitions that follow, and when you 
