650 



BOTANY 



PART II 



inflorescence. The hairy ovary lias two ovules in each of its five loculi. The fruit 

 only contains one seed (Fig. 669 B). 



Family 3. Sterculiaceae. This family which is distributed in the tropics 

 resembles the Tiliaceae. Flowers with a gamosepalous calyx ; corolla twisted in 



FIG. 671. Theobroma Cacao. 1, Stem bearing fruits. 2, Flowering branch. 3, Flower, k, Circle of 

 stamen. 5, Stamen from anterior side. (3, It, about nat. size ; 5, enlarged ; 1, 2, greatly 

 reduced.) OFFICIAL. 



the bud ; stamens coherent to form a tube. The antisepalous stamens are stami- 

 nodial ; the antipetalous stamens are often increased in number. Anthers extrorse. 

 The most important plant is the Cocoa tree (Theobroma Cacao, Figs. 670, 671). 

 It is a native of tropical Central and South America, but has long been cultivated. 

 It is a low tree with short-stalked, firm, brittle, simple leaves of large size, oval 

 shape, and dark green colour. The young leaves are of a bright red colour, and, 



