. Botany for high schools. Botany. 192 GROWTH AND WORK OF PLANTS pels, which separate at maturity, leaving the partition wall persistent. Such a fruit is a silique; when short it is a silicle, or pouch. S22. A pyxidium, or pyxis, is a capsule which opens with a lid, as in the plantain. IV. FLESHY AND JUICY FRUITS. 323. The drupe, or stone-fruit.—In the plum, cherry, peach, apricot, etc., the outer portion (exocarp) of the pericarp (ovary) becomes fleshy, while the inner portion (endocarp) becomes hard and stony and encloses the seed, or pit " (figs. 148, 153). Such a fruit is known as a d
. Botany for high schools. Botany. 192 GROWTH AND WORK OF PLANTS pels, which separate at maturity, leaving the partition wall persistent. Such a fruit is a silique; when short it is a silicle, or pouch. S22. A pyxidium, or pyxis, is a capsule which opens with a lid, as in the plantain. IV. FLESHY AND JUICY FRUITS. 323. The drupe, or stone-fruit.—In the plum, cherry, peach, apricot, etc., the outer portion (exocarp) of the pericarp (ovary) becomes fleshy, while the inner portion (endocarp) becomes hard and stony and encloses the seed, or pit " (figs. 148, 153). Such a fruit is known as a drupe, or as a stone-fruit. In the almond the fleshy part of the fruit is Fig. 153. Peach pit, the hard endocarp split open, showing the embryo within. 324. The raspberry and blackberry.—While these fruits are known popularly as berries," they are not berries in the technical sense. Each ovary, or pericarp, in the flower forms a single small fruit, the outer portion being fleshy and the inner stony, just as in the cherry or plum. It is a drupelet (little drupe). All of the drupelets together make the berry," and as they ripen the sepa- rate drupelets cohere more or less. It is a collection, or aggrega- tion, of fruits, and consequently they are sometimes called collective fruits, multiple or aggregate fruits. In the raspberry the fruit separates from the receptacle, leaving the latter on the stem, while. 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 Atkinson, George Francis, 1854-1918. New York, H. Holt and Company
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectbotany, bookyear1910
