ACCESSORY FRUITS 



155 



269. Pepo of squash. 



is the strawberry (Fig. 264). The edible part is a greatly 

 enlarged fonts, and the pericarps are akenes imbedded 

 in it. These akenes are commonly called seeds. 



298. Various kinds of reinforced fruits have received 



special names. One of these is 

 the hip, characteristic of roses, 

 Fig. 2Go. In this ease, the torus 

 is deep and hollow, like an urn, 

 and the separate akenes are borne 

 inside it. The month of the re- 

 ceptacle may close, and the walls 

 sometimes become fleshy : the 

 fruit may then be mistaken for 

 a berry. The fruit of the pear, 



apple, and quince is known as a pome. In this case the 

 five united carpels are completely buried in the hollow 

 torus, and the torus makes most of the edible part of the 

 ripe fruit, while the pistils are represented by the core 

 (Fig. 266). Fig. 2G7 shows the apple in bloom: Pig. 268 

 shows young fruits, only one having formed in each clus- 

 ter, in the lower lefthand (lower of Fig. 2(>7, note that the 

 sepals do not fall. Observe the sepals on the top of the 

 torus (apes of the fruit) in Pig. 268. In the plum flower 

 (Fig. 1!)4), note th.it the pistil Bits tree in the hollow 

 torus: imagine the pistil and torus grown together, and 

 something like a pome might result. The fruit of 

 pumpkin, squash (Fig. 269), melon and cucumber 

 is a pepo. The outer wall is torus, but the sepals 



do not persist, ami the fruit LS iiormalh 3-loCuled 



(although the partitions maj disappear as the fruit 



ripens). ed "' 



299. GYMNOSPERMOUS FRUITS. In pi ins, proel* 2 



spruces, and their kin, there is no fruit in the sense in 

 which the word is used in th<' preceding pages, because 

 there is do ovary. The ovules are miked or uncovered, in 



