. The microscopy of vegetable foods, with special reference to the detection of adulteration and the diagnosis of mixtures . ^ the sclerenchyma fibers are longitudinally arranged andcross those of the inner endocarp at right angles. The fibers are alittle narrower than in the latter fruit and in cross sections are usuallyelliptical polygonal, with the longer diameters in radial directions. 5. Inner Endocarp (Fig. 262, F; Fig. 264, qj). The fibers of this coat,of which there are four or more thicknesses, are the same as in the outerendocarp, but run transversely about the fruit. Spermoderm (Fig
. The microscopy of vegetable foods, with special reference to the detection of adulteration and the diagnosis of mixtures . ^ the sclerenchyma fibers are longitudinally arranged andcross those of the inner endocarp at right angles. The fibers are alittle narrower than in the latter fruit and in cross sections are usuallyelliptical polygonal, with the longer diameters in radial directions. 5. Inner Endocarp (Fig. 262, F; Fig. 264, qj). The fibers of this coat,of which there are four or more thicknesses, are the same as in the outerendocarp, but run transversely about the fruit. Spermoderm (Fig. 264, S). The seed coats of the bramble fruitsresemble closely those of the stone fruits, the chief difference being thatthe epidermal stone cells are wanting. 352 FRUIT. 1. Epidermis (ep). The cells arc polygonal in surface view, llie a\cragcdiameter being 35 « and the maximum 70 /(. In transverse section theyare cushion-shaped, with a cuticularized outer wall. 2. Nutritive Layer (p). The cells in this layer, having fulfilled theirmission, are empty and are often more or less collai) >End N Fig. 264. Red Rasi)bcrry. Endocarj) and outer portion of seed in cross section. Endcndocarj) consists of // longitudinally extended Illx-rs and qj transversely extendedfilx-rs; S si)ermoderm consists of cp ejudemiis, /> parenchyma (nutritive layer^l, and uf>inner epidermis; iV perisperm; ii endosperm willi ^aleurone grains. X300. () 3. Brown Layer (iep). The inner layer of the spermoderm consistsof cells of the same kind as in the outer epidermis, but only about halfas large, the diameter in surface view being 30 n and the average20 /<. Thesr cells ari nadily distinguished from those of the neighbor-ing layiT bv tluir llnckcr wills and yellow brown color. RED RASPBERRY. 353 Perisperm (F:g, 264, N). As in the strawbern^, all that remains ofthis tissue is the layer of obliterated cells, which in section appears as thethickened outer wall of the endosperm. T
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Keywords: ., bookcentury1900, bookdecade1910, bookpub, booksubjectplantanatomy
