. Botany for agricultural students. Plants. Fig. 79. — Flower and fruit of Strawberry. A, section through flower, showing the fleshy receptacle (jr) and the many pistils {p) on its surface. B, fruit consisting of enlarged receptacle (r), bearing the small hard ovaries (o). which they are closely joined form the rind. (Fig. 78.) The placentas are more or less fleshy and in case of the Watermelon, where they form large juicy lobes, they constitute the bulk of the edible portion. In most cases, however, as Muskmelons and Pumpkins illustrate, the placentas break loose from the ovary wall and are r
. Botany for agricultural students. Plants. Fig. 79. — Flower and fruit of Strawberry. A, section through flower, showing the fleshy receptacle (jr) and the many pistils {p) on its surface. B, fruit consisting of enlarged receptacle (r), bearing the small hard ovaries (o). which they are closely joined form the rind. (Fig. 78.) The placentas are more or less fleshy and in case of the Watermelon, where they form large juicy lobes, they constitute the bulk of the edible portion. In most cases, however, as Muskmelons and Pumpkins illustrate, the placentas break loose from the ovary wall and are removed with the seeds. In what way does the Melon resemble the Apple in structure? How does it differ from the Apple? Strawberry Type. — In the Strawberry the ovaries develop into hard one-seeded fruits (akenes) which appear as small hard bodies over the surface of the much flesh- ened receptacle. {Fig. 79.) In the Straw- berry, although the ovaries are included when the fruit is used, the edible portion is the receptacle. Blackberry Type. — In this type the ovaries develop as small stone fruits, often called drupelets (miniature drupes), and with the fleshened receptacle form the fruit. {Fig. 80.) Very similar to the Blackberry is the Rasp- berry, in which the drupelets collectively separate from the re- ceptacle and thus alone form the Fig. 80. —Fruit of the Blackberry, r, recepta- cle; /, fleshened 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 ; London, Chapman & Hall
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectplants, bookyear1919
