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 . tiolate, deeply 3-lobed leaves and their stronglytoothed margins.—Photographs of plants growing in Botanical Gardens,University of Minnesota. Allied Plants.—In Adonis microcarpa, growing in Sicily, occurs aprinciple resembling Adonidin. Also an ash, of which 10 per centis completely soluble in hydrochloric acid, and an aqueous extractamounting to 32 per cent. Literature.—Zornig, Arzneidrogen. 230 SCIENTIFIC A
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 . tiolate, deeply 3-lobed leaves and their stronglytoothed margins.—Photographs of plants growing in Botanical Gardens,University of Minnesota. Allied Plants.—In Adonis microcarpa, growing in Sicily, occurs aprinciple resembling Adonidin. Also an ash, of which 10 per centis completely soluble in hydrochloric acid, and an aqueous extractamounting to 32 per cent. Literature.—Zornig, Arzneidrogen. 230 SCIENTIFIC AND APPLIED PHARMACOGNOSY BERBERIDACE^:, OR BARBERRY FAMILY A small family of about 100 species of herbs and shrubs, growingmostly in temperate regions. The leaves are simple or compound,the flowers are either single or in racemes and the fruit is a berry orcapsule. Among the anatomical characteristics the following aremost prominent: The tracheae are usually marked with simple poresand the primary wood wedges are separated by broad medullaryrays (Fig. 104). Calcium oxalate occurs in the form of aggregates orsolitary crystals. There are no special secretion cells or glandular. Fig. 101.—Lath-shade, affording partial shade, especially adapted for growingwoodland plants, such as Podophyllum peltatum, Sanguinaria canadensis,Panax quinquefolium (Ginseng), etc. From Farmers Bulletin 551, U. of Agriculture. hairs. A number of crystalline substances are present and some ofthese, as berberin, are very characteristic of the plants of this the epidermal cells of certain species of Mahonia occur greenishor prismatic crystals of an organic substance. Globular bodies,resembling silica, have been found in the medullary ray cells of thepetioles of Lardizabala. In the chloroplasts of the palisade tissuesof Berberis vulgaris occur acicular or sphenoidal crystalloids. Thenon-glandular hairs are usually unicellular, in some instances they PODOPHYLLUM 231 consist of a
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