General therapeutics and materia medica (volume 1): adapted for a medical text book . foliacese—an indigenous tree, whichflourishes in every part of the United States—is officinal in the Phar-macopoeia of the United States. Dogwood is a well known ornament of the American forests,by reason of the multi-tude of large white flow-ers, which it sends forth in May. The bark isobtained from every partof the tree ; but that ofthe root is preferred. As met with in theshops, it is in pieces ofvarious sizes, common-ly more or less rolled;and, at times, coveredwith a fawn-colouredepidermis. Its smell isf
General therapeutics and materia medica (volume 1): adapted for a medical text book . foliacese—an indigenous tree, whichflourishes in every part of the United States—is officinal in the Phar-macopoeia of the United States. Dogwood is a well known ornament of the American forests,by reason of the multi-tude of large white flow-ers, which it sends forth in May. The bark isobtained from every partof the tree ; but that ofthe root is preferred. As met with in theshops, it is in pieces ofvarious sizes, common-ly more or less rolled;and, at times, coveredwith a fawn-colouredepidermis. Its smell isfeeble ; taste bitter andastringent. At one time,it was stated to containa peculiar principle, towhich the name .Cor-nine was given ; but ifsuch exist, it is not other bitter barks,it yields its virtues towater and to alcohol. Cornus Florida wasat one time much givencomus Florida. as an antiperiodic, and doubtless still is in manyparts of the country. Like most of these agents, however, it has falleninto comparative disuse since the introduction of sulphate of HIPPOCASTANUM. 91 It possesses tonic virtues, and may be given in all cases in which cin-chona is indicated, although far inferior to it in efficacy. In intermit-tent fever, the powder may be prescribed in the dose of a drachm,repeated so that an ounce or more may be taken during the a tonic, it may be given in infusion:—{Corniis Florid. %y, Jlquaebullient. Oj.) The decoction is the only officinal preparation. : DECOCTUM CORNUS FLORIDM, DECOCTION OF DOGWOOD. (Corniis Florid.^j ; Jlquce bullient. Oj.) The dose, as a tonic, is to f.^ij andmore. 65. Cornus Circinata, Round-leaved Dogwood ; and—66. Cor-nus Seric^ea, Swamp Dogwood, both indigenous in the United States,yield barks which are officinal in the secondary list of the Pharmaco-poeia of the United States; and which possess the same virtues, and areinservient to the same uses as the bark of Cornus Florida. 67. LIRIODENDRON.
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