Text-book of structural and physiological botany . Fig. 518. — Longitudinal sectionthrough the flower of the pear(magnified). Fig. 519. — Longitudinal section through anapple ; C dry persistent calyx-limb ; e loculiwith cartilaginous pericarp ; t mesocarp(reduced). arranged in short terminal umbels, racemes, or cymes, often corymbose ;the calyx-limb is 5-cleft or 5-toothed, imbricate in aestivation, and re-maining dry and persistent on the fruit ; the stamens numerous, and, likethe five petals, attached in a ring to the base of the calyx (Fig. 518) ;the ovary is as a rule 5-, more rarely 2- or
Text-book of structural and physiological botany . Fig. 518. — Longitudinal sectionthrough the flower of the pear(magnified). Fig. 519. — Longitudinal section through anapple ; C dry persistent calyx-limb ; e loculiwith cartilaginous pericarp ; t mesocarp(reduced). arranged in short terminal umbels, racemes, or cymes, often corymbose ;the calyx-limb is 5-cleft or 5-toothed, imbricate in aestivation, and re-maining dry and persistent on the fruit ; the stamens numerous, and, likethe five petals, attached in a ring to the base of the calyx (Fig. 518) ;the ovary is as a rule 5-, more rarely 2- or 3-locular, each loculususually containing two ovules ; styles equal in number to the fruit [or pseudocarp*(see p. 147)] is succulent, a berry or pome, orformed of a number of drupes, the pericarp being thin, cartilaginous,or stony. Principal genera :—Pyrus, Cotoneaster, Cratcegus^ Malus,Sorbus, Mespilus, Cydo7na.\ Among edible fruits are the apple andpear Pyrus Malus and commujzis, the quince Cydonia vulgaris, the special Morpho
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Keywords: ., bookcentury1800, bookdecade1870, bookpublishernewyorkjwileysons
