SEED-BEARING PLANTS 



471 



ing season an erect stem is sent up which bears the flowers 

 and fruit (Fig. 400). 



416. Parsley Family (Umbelliferae). — The most highly 

 organized family of the Archichlamydeae is that to which 

 the common parsley belongs. In this family the calyx- 



Fig. 354. — Rosette of the evening-primrose {(Enothera hwnnis). 



tube adheres throughout its length to the wall of the ovary, 

 and the five petals and stamens are inserted on a disk 

 at the base of the two styles (Fig. 355). The relatively 

 small flowers are, with rare exceptions, borne in clusters 

 known as umbels. The characteristics of an umbel are 



