. The microscopy of vegetable foods, with special reference to the detection of adulteration and the diagnosis of mixtures . ). The parchment-like endocarp consists of 3-7layers of thick-walled, sclerenchyma fibers and elongated cells, extended in various directions par-allel to the inner surface,forming a tissue similarto that found in the en-docarp of coffee. Rowsof thin-walled cells, con-taining monoclinic twincrystals (cr^), are distrib-uted among the are distinct in theouter layers, indistinctin the inner. In thecleft formed by the splitting of the ripe carpels at the sutures
. The microscopy of vegetable foods, with special reference to the detection of adulteration and the diagnosis of mixtures . ). The parchment-like endocarp consists of 3-7layers of thick-walled, sclerenchyma fibers and elongated cells, extended in various directions par-allel to the inner surface,forming a tissue similarto that found in the en-docarp of coffee. Rowsof thin-walled cells, con-taining monoclinic twincrystals (cr^), are distrib-uted among the are distinct in theouter layers, indistinctin the inner. In thecleft formed by the splitting of the ripe carpels at the sutures paren-chyma cells and curious, jointed, branching, warty hairs (Fig. 251a)form dead white masses often evident to the naked eye. Some of the Fig. 251. Apple {Pyrus Mains). Isolated elements of thefruit, epi epidermis, hy hypoderm; fruit flesh ele-ments: 5/ stone cells, p^ parenchyma containing amstarch grains, p^ inner parenchyma, cr^ rosette crys-tals, / fiber, bundle consisting of g pitted, ret reticu-lated, sp spiral and an annular vessels, and st stonecell; end endocarp with cr^ crystal cells. X160.(K. B. WiNTON.). Fig. 251a. Apple (Pyrus Mains). Hairs from suture ofendocarp. (Malfatti.) 324 FRUIT. hair cells, particularly the terminal ones, are sclerenchymatized, thusfurnishing a distinction from the similar hairs of the pear and quince. Spennoderm. i. The Outer Epidermis (Figs. 2^ib and 25if, ep) isstudied in cross sections mounted in glycerine. The radial and especiallythe outer walls are greatly thickened and show a laminated appear like minute warts on the inner surface of the walls are due to the diagonal pits seen in surface view. The outer walls are mucilaginous and swell
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Keywords: ., bookcentury1900, bookdecade1910, bookpub, booksubjectplantanatomy
