78 SEEDS AND FRUITS 
Plum or Stone Type. — The Plum, Peach, Cherry, and Apri- 
cot, commonly called drupes, are fleshy ovaries, but differ from 
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oy 
‘ae oes 
Fic. 77.— Section through flower and fruit of the Apple. A, section 
through the flower. u, receptacle; 6, ovaries; d, ovules; ¢, floral organs, 
calyx, corolla, stamens, styles and stigmas. JB, section through the fruit. 
a, receptacle; c, core; s, seeds; r, remains of floral parts; J, the flesh around 
the core, bounded on the outside by the conductive vessels, indicated by the 
lines. The inner portion of this band of flesh is the outer portion of the ovaries, 
the remainder of it being the inner portion of the receptacle. 
the berry type in that the portion of the ovary immediately sur- 
rounding the locule hardens into the stone or pit. In Figure 76, 
point out the seed, the pit, and the fleshy 
portion of the ovary. 
Apple or Pome Type. — The Apple, 
Pear, and Quince are examples of pome 
fruits, and their structure can best be un- 
derstood by studying Figure 77. The 
receptacle of the flower is not flat as it 
is in many flowers, but is hollow or urn- 
shaped; and the five ovaries are located 
Ria) Fea Grésscericn ae ERE hollow of the receptacle and are 
of a Cucumber. 1, rind grown fast to its sides. The calyx, petals, 
consisting of receptacle and stamens are located on the rim of 
and ovary wall closely the receptacle and thus above the ova- 
joined; J, locules; p, pla- yies Ag the fruit develops, the receptacle 
centas; s, seeds. : : ? 
surrounding the ovaries thickens and 
forms the greater part of the fruit, while the ovaries form the 
portion known as the core. 
