1900 



A TEXTBOOK OF THEORETICAL BOTANY 



The inflorescence is usually cymose, with the bracts sometimes 

 adnate to the axillary flowers. 



The flowers (Fig. 181 8) are usually actinomorphic, pentamerous and 

 hermaphrodite. 



B 



Fig. 181 8. — Floral diagrams of Solanaceae. A, Petunia nyctagiui- 

 floro. B, Schiznnthiis letiisiis. C, Datura stramonium. D, 

 Salpiglossis sinuata. [After Eichler.) 



The calyx is gamosepalous, and five-cleft, persistent. 



The corolla is gamopetalous (Fig. 1819), usually five-lobed and the 

 lobes either folded, contort or valvate. 



The androecium consists of five stamens which are epipetalous and 

 alternate with the lobes of the corolla. The anthers are sometimes connate, 

 two-chambered and opening either by a longitudinal split or by an apical 

 pore. 



The gynoecium is bicarpellary and syncarpous and the ovary is 

 usually bilocular but occasionally becomes multilocular by the development 



