. The microscopy of vegetable foods, with special reference to the detection of adulteration and the diagnosis of mixtures . eins are at nearly right angles to the mid-rib, and anastomose at the border in short loops. Upper Epidermis. (Fig. 363.) The cells are about 50 nbroad, with slightly wavy, thick, here and there knotty-thickened walls. Stomata are absent, but water stomataoccur near the apex. Lower Epidermis. (Fig. 364.) The cells have thinnerand wavier walls than those of the upper epidermis, andare covered by a wrinkled cuticle with a finely granular de-posit of wax. The numerous stoma
. The microscopy of vegetable foods, with special reference to the detection of adulteration and the diagnosis of mixtures . eins are at nearly right angles to the mid-rib, and anastomose at the border in short loops. Upper Epidermis. (Fig. 363.) The cells are about 50 nbroad, with slightly wavy, thick, here and there knotty-thickened walls. Stomata are absent, but water stomataoccur near the apex. Lower Epidermis. (Fig. 364.) The cells have thinnerand wavier walls than those of the upper epidermis, andare covered by a wrinkled cuticle with a finely granular de-posit of wax. The numerous stomata are about 30 n longand 20 IX broad. Under each tooth is a water leaves bear along the veins unicellular, blunt, thin- fig. 362. Willowwalled, striated, mostly crooked hairs (Fig. 360. ^^^ {Epilog The Mesophyl contains numerous raphides (Fig. 364) )oiium). Leaf, ,1 i 11 natural size. accompanymg the bundles. (..Moeller.) 460 ALKALOIDAL PRODUCTS. Leaves of this species are used in Russia as a substitute for or anadulterant of tea. The chief characters are the thin, entire or sparingly toothed leaves with. Fig. 363. Willow Herb. Upper epidermis FiG. 364. Willow Herb. Lower epidermis ofof leaf. X160. (MoELLER.) leaf, also A raphides cell and ch chloro- phyl cells. XiOo. (
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Keywords: ., bookcentury1900, bookdecade1910, bookpub, booksubjectplantanatomy
