SECT. TI 



PHANEROGAMIA 



635 



originally introduced from the East and now largely cultivated in the Mediterranean 



Fio. 605. Punica granatum (J nat. size). 1, Branch bearing a flower and a bud. 2, Flower in 

 longitudinal section. 3, Fruit. (See text.) OFFICIAL. 



region on account of its acid refreshing fruits known as Pomegranates (Fig. 695). 



Leaves small, entire. Flower with a stiff, red calyx, an indefinite number of 



petals, and numerous stamens ; the 7-14 carpels 



are arranged in two tiers, the upper of which 



corresponds in number to the sepals, the lower 



to the half of this (Fig. 696). Fruit enclosed 



by a leathery pericarp with numerous seeds in 



the loculi of both tiers. The external layers of 



the seed-coat become succulent and form tin 



edible portion of the fruit. 



OFFICIAL. Punica granatum, from which c- 



FIG. 096. Floral diagram of Punica, 



GRANATI CORTEX IS obtained. granatum. (After EICHLER.) 



Order 23. Umbelliflorae 



Inflorescence as a rule an umbel. Flowers hermaphrodite, 

 actinomorphic, tetramerous or more usually pentamerous ; calyx 

 only slightly developed; a single whorl of stamens and an inferior 

 bilocular ovary, the upper surface of which forms the nectary. 



