CHAPTER XIII. THE FRUIT AND SEED. 



"5 



An aggregated fruit that consists of a collection of small 

 drupes, like that of the Blackberry and Raspberry, is called an 

 etcerio. A strawberry is an aggregation of akenes on a thickened 



Fig. 336. 



Fig. 337. 



Fig. 338. 



Fig. 339. 



Fig. 336. — Pyxis of Hyoscyamus. 



Fig. 337. — Silique of Celandine. 



Fig. 338. — The dehiscing silicle of Shepherd's Purse. 



Fig. 339. — Sorosis of the Mulberry. 



and succulent conical or convex receptacle. A //// is an aggre- 

 gation of akenes on a thickened and succulent hollow receptacle. 

 The term is applied to the fruit of the Rose. 



Fig. 340. 



Fig. 341. 



Fig. 3-h 



Fig. 340. — Syconium of the Fig-tree, shown in longitudinal section. 

 Fig. 341. — Strobile, or cone of Pine. 

 Fig. 342. — Galbulus of Juniper. 



Fruits that are the products of flower-clusters instead of single 

 flowers are termed collective or multiple fruits. The most impor- 

 tant are the following : 



(1) The Sorosis. This is a fruit like those of the Mulberry, 



