282 



DICOTYLEDONS. 



the parsley family, the umbel is a compound one, as shown in the illustration. 

 The calyx is firmly united with the walls of the ovary, which is formed of two 

 united carpels. The five white petals as well as the five stamens arise from the 



Fig. 373- 

 Single umbel of the wild carrot. 



margin of the ovary around the two styles. No portion of the calyx is free in 

 the wild carrot, though in some other members of the family there are small 



Fig. 374. 



Flower of wild carrot. 



Fig. 375- 

 Section of flower. 



Fig. 376. 

 Seed of wild carrot. 



calyx teeth. The fruit is bristly and the surface of the umbel becomes con- 

 cave in age. The floral formula is as follows: Ca5,Co5,A5,Cj2. 



The cornel or dogwood family and the aralia family both have the flowers 

 in umbels, and are thus related to the parsley family. 



