. The microscopy of vegetable foods, with special reference to the detection of adulteration and the diagnosis of mixtures . separated from the fourth byIjoiling with dilute alkali. The innermost layerremains attached to the seed after :^. ( iuan(A/- j_ jj^^ Ef>idcnnis (Fig. 176, cb; Fig. 177) is CUIUS communis). ( ross ? v o 1 1 r r> / // section of outer portion characterized by the sharply polygonal, fmely pitted of spermoderm. ep epi- „ r 1 • 1 11 ^1 /• 1 dermis; s parcn- cclls, somc of which are colorless, othcrs of a brownchvma; p thin-walled color, hcncc t
. The microscopy of vegetable foods, with special reference to the detection of adulteration and the diagnosis of mixtures . separated from the fourth byIjoiling with dilute alkali. The innermost layerremains attached to the seed after :^. ( iuan(A/- j_ jj^^ Ef>idcnnis (Fig. 176, cb; Fig. 177) is CUIUS communis). ( ross ? v o 1 1 r r> / // section of outer portion characterized by the sharply polygonal, fmely pitted of spermoderm. ep epi- „ r 1 • 1 11 ^1 /• 1 dermis; s parcn- cclls, somc of which are colorless, othcrs of a brownchvma; p thin-walled color, hcncc the mottled appearance of the seed. palisade cells; P scleren- chvmatized palisade cells. 2. Spotigy PorouhvTiia (s) fomis a la vcr Several() cells thick. 3. Thin-walled Palisade Cells (p) with dark contents are tlie elementsof the third layer. In surface view the cells are polygonal or rounded,12-20// in diameter, and often have intercellular .spaces at the angles. 4. Sclcrcyichymalizcd Palisade Cells (P) constitute a layer 200 11 cell-walls are of a brown color and show distinct pores. At the. CASTOR BEAN. 223 outer ends the cell cavities are somewhat broader than at other in surface view, the cells are polygonal, 8-15 ^ in diameter. 5. Inner Layer. After removing the foregoing layers, the seed, onclose examination, is seen to be enveloped by a thin white skin—the innerlayer of the spermoderm. This consists of a colorless, thin-walled, moreor less compressed parenchyma, several cells thick, and numerous fibro-
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Keywords: ., bookcentury1900, bookdecade1910, bookpub, booksubjectplantanatomy
