AN A CYCLUS

(Lat.), n. m. A?n(a3n)-a?-si?k(ku°k)lu°s(u4s), From ävaxvxAeiv, to revolve. Fr., an a cycle. Ger., Ring blume. It., anaciclo, A Sanus of composite herbaceous Plantes established by Linneus, having alternate, pinnate, multifid leaves, and terminal heads of flowers with white rays. The A. of Per so on comprehended species of A. together with some referred to An them is. [B, 19, 170.] —A. aureus [Link]. Syn.: Cotula aurea [Linnaeus]. A European species employes in Spain for the same parrones) as chamomile., 121, 173.]—A. of ficin arum fests vat., pyrethrum german i cum.’ Fr., pyrêthre commun (ou de Germanie). Ger., deutscher Bertram, gebräuchliche Ring blume. Syn.: A. pyrethrum [Schrader], An them is pyrethrum [Willdenow]. German pellitory; a species cultivated in central Europe. It is an erect annual plant resembling A. Feira in appearance, of which some regard it as a variety. Its root, radix - purethri germanic i (seu communis, seu of ficin arum), radix salival is (Ger., gewähnliche [oder deutsche} Bertramwurzel), is 3 to 6 inches long, à inch thick, brownish-gray externally, whitish within, and has a thick bark, containing a single circle of resin-cells. It has a burning, werid taste, and contains resinous and bitter principles, a fixed wil, and inulin. It is used for the same purposes as A. pyretirium. [B, 33, 81, 121, 180.]—A. pyrethrum [De Candolle]. Lat., pyrethrum romanum (seuverum). Fr., pyrèthre romain (ou vrai, ou officinal [Fr. Cod.]). Ger., Bertram-Ring blume, Bertram-Kamille, Syn,: An them is pyrethrum [Linnæus]. Roman pellitory, pellitory of Spain, Alexander’s-foot; a perennial species indigenous to northwestern Africa and in Arabia and Syria, with procumbent or ascending stem, and radical, petiolate, smooth, pinnatifid leaves. Its root —pyrethrum [U. S. Ph.], radix pyrethri ver i (seu roman i); Fr., racine de pyrêthre vrai (ou officinal); Ger., dclite (oder rémisc he) Bertramwurzel, St. Johanniswurz; It.. piretro romano (0 vero) —is simple or nearly so, cylindrical or tapering, 2 to 4 inches long and (paren thick, with rough brown wrinkled surface and very thin bark, which with the wood contains 5 or 6 circles of res in cells. Pyrethrum has a slight aromatic odor and a pun; matic taste, and, when applied to the lips or tongue, es rise to a sensation of coolne , followed by one of heat and tingling, and causes a profuse flow of saliva. It contains a brown acrid resin, a dark-brown and a yellow fixed oil, soluble and insoluble, respectively, in a solution of caustic paeiahs considerable inulin, some mucilage, and, eget to Buchheim, an alkaloid, pyrethrine, It een used as a sial lopogue and sternutatory, being especially employed for the relief of toothache and of other pains about the face, and in paretic conditions of the tongue and uvula. [B, 18, 81.) The A. pyrethrum of Schrader is the A. of ficin arum, {B. 121, —A. radiatus [Linnzus]. Fr., an them is purpurin, A species with flowers the rays of which are poy above and red beneath, and with yellow disc. It is cultivated in France. [B, 121.]—A. valeutinus (Linnæus]. A species, said to be the Bov9aAuor of Dioscorides, growing in southern Europe and employed in Spain for the same purposes as A. pyrethrum. [B, 121, 180.