. The microscopy of vegetable foods, with special reference to the detection of adulteration and the diagnosis of mixtures . Fig. 544. Sorrel. Epidermis of leaf in surface view. Fig. 545. Sovrcl {Riimex Acetoso). (MOELLER.) Leaf, natural size. (Moeller.) surfaces are large, with thin, wavy walls. Usually three cells adjoineach stoma. The Mesophyl contains oxalate rosettes. 622 SPICES /IND CONDIMENTS. The leaves of Riotiex acetosa L. are long-pctiolcd, saggitatc, darkgreen, smooth, or (beneath) hair) (Fig. 545J. The Epidermis (Fig. 546) is much like that of the preceding species,. Fig, 546. Sor
. The microscopy of vegetable foods, with special reference to the detection of adulteration and the diagnosis of mixtures . Fig. 544. Sorrel. Epidermis of leaf in surface view. Fig. 545. Sovrcl {Riimex Acetoso). (MOELLER.) Leaf, natural size. (Moeller.) surfaces are large, with thin, wavy walls. Usually three cells adjoineach stoma. The Mesophyl contains oxalate rosettes. 622 SPICES /IND CONDIMENTS. The leaves of Riotiex acetosa L. are long-pctiolcd, saggitatc, darkgreen, smooth, or (beneath) hair) (Fig. 545J. The Epidermis (Fig. 546) is much like that of the preceding species,. Fig, 546. Sorrel, Epidermis of leaf in surface view. (Moeller.) but it bears 4-celled glands with short stalks, also, along the veins, peculiarpapillae with striated cuticle. Herb Patience (Rumcx patientia L.), a European pot herb, has large,petioled, oblong or ovate-lanceolate, smooth leaves, with rounded or cor-date base and wavy margin. BIBLIOGRAPHY. See General Bibliography, pp. 671-674: Planchon et Collin (34); Villiers et Collin(42). FLOWERS. The most important products of this class are flower buds (cloves,capers, cassia buds) and stigmas (salTron). Several nt)W(.rs are used asadulterants of saffron. Cassia buds are described for convenience aftercassia bark on p. 591. The general structure of flowers is discussed on p. 30. SAFFRON. 623 SAFFRON. Genuine saffron is the dried stigmas of a small bulbous plant {Crocussativus L,, order IridacecB) indigenous to Greece and Asia Minor.^ Inearly times the plant was introduced into Italy, from whence it was dis-tributed over central and
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