Scientific and applied pharmacognosy intended for the use of students in pharmacy, as a hand book for pharmacists, and as a reference book for food and drug analysts and pharmacologists . ual or perennialherbs, a few being somewhat woody and climbing, as Clematis. Theparts of the flower are numerous, the sepals and petals being from 3to 15, the stamens indefinite, and the carpels usually 5 to 20. Thefruits are either achenes, follicles or berries. Among the anatomicalcharacteristics of this family the following may be mentioned. Intransverse sections the xylem of the collateral vascular bundle
Scientific and applied pharmacognosy intended for the use of students in pharmacy, as a hand book for pharmacists, and as a reference book for food and drug analysts and pharmacologists . ual or perennialherbs, a few being somewhat woody and climbing, as Clematis. Theparts of the flower are numerous, the sepals and petals being from 3to 15, the stamens indefinite, and the carpels usually 5 to 20. Thefruits are either achenes, follicles or berries. Among the anatomicalcharacteristics of this family the following may be mentioned. Intransverse sections the xylem of the collateral vascular bundle isheart-shaped, having the phloem distributed in the sinus. Thepericycle, especially in the woody species, is in the form of a closedring of sclerenchyma. The hairs are both glandular and non-glandular, the former being always 1-celled and usually the leaves of Aconitum and Anemone occur so-called armcells in the palisade layer. Hydrastis.—Golden Seal.—The dried rhizome and rootsof Hydrastis canadensis (Fam. Ranunculaceae), a perennial herb HYDRASTIS 209 (Fig. 89) indigenous to the eastern United States and rhizome and roots are collected in Fig. 89.—Golden seal (Hydrastis canadensis): A, young plant with horizontalrhizome and numerous roots. B, fruit-head of small berries. C. olderplant showing the palmately lobed leaves. Description.—Rhizome horizontal or oblique, sub-cylindrical,2 to 5 cm. in length, 3 to 6 mm. in diameter; externally yellowishor dark brown, slightly annulate from circular scars of bud-scales, 210 SCIENTIFIC AND APPLIED PHARMACOGNOSY upper surface with numerous short stem-remnants or stem-scars,under and side portions with numerous roots or root-scars; frac-ture short, waxy; internally deep yellow, bark about mm. inthickness, wood radiate, about 1 mm. in thickness, pith light yellow;odor distinct; taste bitter.
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Keywords: ., bookcentury1900, bookdecade1920, bookpublishernewyo, bookyear1920
