Identifier: scientificapplie00krae (find matches)
Title: 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
Year: 1920 (1920s)
Authors: Kraemer, Henry, 1868-1924
Subjects: Pharmacognosy
Publisher: New York, Wiley
Contributing Library: The Library of Congress
Digitizing Sponsor: The Library of Congress

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or brownish-black, ellipsoidal, somewhatreniform, nearly smooth and shining; odor aromatic, distinct;taste pungent and bitter. Powder.—Yellowish-brown; fragments of membranous pericarpcomposed of elongated, colorless and thin-walled cells; seeds blackishshiny, reniform, about 0.150 mm. in diameter; seed-coat with polyg-onal, thin-walled reddish-brown pigment cells; numerous starchgrains and small aleurone grains. Constituents.—From 0.6 to 1 per cent of a nearly colorless oryellowish volatile oil, having the odor and taste of the drug. It,consists of 45 to 70 per cent of an oxygenated compound, Ascaridol;22 per cent of p-Cymol; also a terpene and d-camphor. The leavesyield 0.35 per cent of volatile oil, and the fresh plant contains awhite, crystalline inodorous alkaloid, Chenopodine. CHENOPODIUM 197 Allied Plants.—Under the name of Herba Chenopodii, the Aus-trian Pharmacopoeia recognizes Chenopodium ambrosioides. Thisplant, also known as Mexican Tea resembles very closely Cheno-
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Fig. 84.—American wormseed. Fruiting branches of Chenopodium ambrosi-oides anthelminticum.—From Bulletin No. 26, U. S. Department of Agri-culture. podium ambrosioides anthelminticum, and is widely distributed inthe United States. It is an annual with oblong-lanceolate, nearlyentire or repand-toothed leaves and has densely flowered, leafyspikes. Microscopically it is characterized by possessing glandular 198 SCIENTIFIC AND APPLIED PHARMACOGNOSY hairs and numerous cells that are filled with microcrystals of calciumoxalate. The plant yields 0.33 per cent of a volatile oil having astrong aromatic odor and a bitter, pungent taste. The oil is usedin Brazil as a popular anthelmintic. The leaves of this plant yielda volatile oil having a repulsive, narcotic odor resembling trimethyl-amine. PHYTOLACCACEiE, OR POKEWEED FAMILY The family includes herbs, shrubs and trees and of which there areless than 100 species. They are for the most part indigenous totropical and sub-tropical America and

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