. Botany for agricultural students . Botany. 78 SEEDS AND FRUITS Plum or Stone Type. — The Plum, Peach, Cherry, and Apri- cot, commonly called drupes, are fleshy ovaries, but differ from. s - B Fig. 77. — Section through flower and fruit of the Apple. A, section through the flower, a, receptacle; b, ovaries; d, ovules; i, floral organs, calyx, corolla, stamens, styles and stigmas. B, section through the fruit. a, receptacle; c, core; s, seeds; r, remains of floral parts; I, the flesh around the core, bounded on the outside by the conductive vessels, indicated by the lines. The inner portion of
. Botany for agricultural students . Botany. 78 SEEDS AND FRUITS Plum or Stone Type. — The Plum, Peach, Cherry, and Apri- cot, commonly called drupes, are fleshy ovaries, but differ from. s - B Fig. 77. — Section through flower and fruit of the Apple. A, section through the flower, a, receptacle; b, ovaries; d, ovules; i, floral organs, calyx, corolla, stamens, styles and stigmas. B, section through the fruit. a, receptacle; c, core; s, seeds; r, remains of floral parts; I, 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 in the hollow of the receptacle and are grown fast to its sides. The calyx, petals, and stamens are located on the rim of the receptacle and thus above the ova- ries. As the fruit develops, the receptacle surrounding the ovaries thickens and forms the greater part of the fruit, while the ovaries form the portion known as the Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Martin, John N. (John Nathan), b. 1875. New York : John Wiley & Sons, Inc.
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectbotany, bookyear1919
