114 



BOTANY. 



on a dry, spongy receptacle, crowded almost into one mass, 

 as the blackberry, are aggregate fruits. They are sometimes 

 called etario. 



Accessory, or anthocarpous fruits, are such as consist 

 of other parts of the flower only apparently joined with the 

 ovary. 



MULTIPLE, COLLECTIVE, or CONFLUENT FRUITS, are 

 formed by the union of many separate flowers into one 

 mass (Figs. 354 and 355), 



The sorosis is a kind of multiple fruit, to which the 



354- 



FIG. 355. 



pineapple (Fig. 354) belongs. The fig is a multiple fruit 

 of the kind known as syconus, while strobilus is the name 

 given to the multiple fruit of trees of the pine family (Fig. 



355)- 



EXERCISE LI. 



The Seed. Its Form and Surface. 



The forms of seeds vary very much. They may be 

 globular, ovoid, reniform, oblong, cylindrical, top-shaped, 

 angular, etc. Some seeds are small and fine, like sawdust; 

 others are flattened and bordered, as seen in Fig. 356. 



