Materia medica and therapeutics : for physicians and students . of Che-nopodium ambrosioides, or Jerusalem Oak {Nat. Ord. Chenopo-diaceae), an indigenous, herbaceous, perennial plant (found mostabundantly in the southern States), from two to five feet high,with alternate oblong-lanceolate, sinuated and toothed yellowish-green leaves, with numerous small flowers of the same colorarranged in long terminal panicles. Chenopodium, as found inthe shops, is in small spherical grains, not larger than a pinshead, of a dull greenish-yellow or brownish color, a peculiaroffensive smell, and a rather aroma
Materia medica and therapeutics : for physicians and students . of Che-nopodium ambrosioides, or Jerusalem Oak {Nat. Ord. Chenopo-diaceae), an indigenous, herbaceous, perennial plant (found mostabundantly in the southern States), from two to five feet high,with alternate oblong-lanceolate, sinuated and toothed yellowish-green leaves, with numerous small flowers of the same colorarranged in long terminal panicles. Chenopodium, as found inthe shops, is in small spherical grains, not larger than a pinshead, of a dull greenish-yellow or brownish color, a peculiaroffensive smell, and a rather aromatic, pungent taste. Theirsensible and medicinal properties are owing to a volatile oil(Oleum Chenopodii), obtained by distillation. Effects and Uses.—Chenopodium is a very efficient anthelmintic, *Med. News, March 12, 1887. 554 MATERIA MEDICA TOPICAL MEDICINES. particularly adapted to the expulsion of lumbrici from , gr. xx-xl for a child two or three years old, in molasses,night and morning, for three or four days, to be followed by a Fig. CHENOPODIUM AMBROSIOIDES. brisk cathartic. The oil is more used than the fruit; dose, —X for a child, in emulsion with sugar. The expressed juice ofthe leaves and a decoction made with milk are also used. SANTONICA. The unexpanded flower-heads of Artemisia maritima [NatOrd. Compositse), a native of Persia, and of other species of arte-misia, are used as an anthelmintic (in the dose of gr. x-xxx), underthe name of Levant Wormseed. They resemble small seed in ANTHELMINTICS SANTONICA. 555 appearance, are about a line in length, oval, obtuse at both ends,of a greenish-brown color, a strong, somewhat terebinthinateodor, and a bitter, camphoraceous taste. They contain volatileoil, resin, and a peculiar principle termed santonin, which is pre-pared by digesting santonica and lime in diluted alcohol, addingacetic acid, crystallizing, boiling with alcohol, digesting the tinc-ture with animal charcoal, filtering and crystall
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