E In OReeeane a fruit, care must He pee, to dame Hf 
the wall of the cavity which encloses the seeds, or Bat 
_ pericarp, which may consist of several layers of a mem- _ 
branous, fleshy, or stony consistence (Fig. 305). The. 
nature of the outermost layer or efzcarp determines whether 
the fruit has a smooth 
cherry, rough like the 
peach, or spiny like the 
thorn-apple (Fig. 3 10, p. 
or succulent, and is then 
called the flesh or savr- 
or cherry]. ‘The imner- 
most layer or endocarp 
forms the stone or puta- 
men of stone-fruit; it 
encloses the cavities of 
the fruit which corre- 
Fic. 305.—Longitudinal section of cocoa-nut ; @ : 
epicarp; 6 endocarp; c testa; da endosperm or the Ovary, and are still 
albumen ; e embryo ; f cavity in the endosperm f 
which contains the milk. termed = Zociula. ‘The 
~ number of these loculi 
generally corresponds to the number in the ovary, although 
one or more not unfrequently disappear in the course of de- 
velopment. Such a disappearance or abortion is the rule in 
the lime, in which the ovary is originally quinquelocular, 
in /sa¢7s where it is bilocular, [and the oak where it is trilocu- 
lar], while in all these cases the fruit is ultimately unilocular. 
Fruits may be divided into two primary classes, dehzscent 
and. zndehiscent ; to the former belong the capsule and 
schizocarp ; to the latter the drupe, berry, and achene. 
appearance. « like — themes 
cocarp [as in the peach 
is often very hard, and i 
spond to the loculi of 
150). Themiddlelayeror — 
mesocarp 1s often fleshy ~ 
The capsule bursts or dehisces when ripe, and allows the . 
seeds to fall out. If this splitting takes place only at the 
