. The microscopy of vegetable foods, with special reference to the detection of adulteration and the diagnosis of mixtures . esophyl. In cross section (Fig. 537) theoil cells of the mesophyl are are globular (30-40 /x), and often con-tain a drop of essential oil. Characteristicalso are the collenchyma cells accompanyingthe bundles, which, like columns, hold the twoepidermal layers apart. BIBLIOGRAPHY. See General Bibliography, pp. 671-674: Moeller(3h 32); Planchon et Collin (34); Vogl (44, 45). Fig. 536, Bay-leaf (Laurttsnobilis). Natural size.(Moeller.) TARRAGON. This herb {

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. The microscopy of vegetable foods, with special reference to the detection of adulteration and the diagnosis of mixtures . esophyl. In cross section (Fig. 537) theoil cells of the mesophyl are are globular (30-40 /x), and often con-tain a drop of essential oil. Characteristicalso are the collenchyma cells accompanyingthe bundles, which, like columns, hold the twoepidermal layers apart. BIBLIOGRAPHY. See General Bibliography, pp. 671-674: Moeller(3h 32); Planchon et Collin (34); Vogl (44, 45). Fig. 536, Bay-leaf (Laurttsnobilis). Natural size.(Moeller.) TARRAGON. This herb {Artemisia Dracunculus L., order Compositce), a native ofAsia, is much grown in England and on the Continent. It is used freshas a pot herb and for maldng tarragon vinegar. ^^^- 537- Bay-leaf. Cross section, slightly magnified. (Moeller.) The leaves (Fig. 539) are mostly linear lanceolate, entire, not petioled,thick, smooth, with indistinct venation. 6iS SPJCES AND Epidermis (Fig. 540). Both surfaces have the same structure. Theyoung leaves bear short-stalked multicellular glands; the mature leaves. f IG. 53S. Bay-leaf. Lower epidermis in surface view. (MoELLER.;

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Keywords: ., bookcentury1900, bookdecade1910, bookpub, booksubjectplantanatomy