AMONG THE WILD FLOWERS. 129 
together by their inner surface or face, called 
the commissure. When ripe, each carpel shows 
5 ridges upon its surface, besides which there 
UMBELLIFER. 
are often other secondary ridges between the 
primary ones; and under the ridges, or in the 
spaces between them, are usually present recep- 
tacles called vztée, or stripes, containing oil. 
I 
