General therapeutics and materia medica (volume 1): adapted for a medical text book . ll known in thesouthern and middle States; flower-ing in May or June ; and producinga berry, which, in the green state,is exceedingly astringent ; but,when ripe, is sweet, mawkish,and cloying. The unripe fruit hasbeen recommended in infusion,syrup, and in vinous and acetoustinctures, by Dr. Mettauer, of Vir-ginia. The bark, which is the offi-cinal portion, is astringent andvery bitter; and is adapted forcases in which a combination ofastringent . and bitter agents isneeded. 19. Geum, Water Jivens—theroot of G
General therapeutics and materia medica (volume 1): adapted for a medical text book . ll known in thesouthern and middle States; flower-ing in May or June ; and producinga berry, which, in the green state,is exceedingly astringent ; but,when ripe, is sweet, mawkish,and cloying. The unripe fruit hasbeen recommended in infusion,syrup, and in vinous and acetoustinctures, by Dr. Mettauer, of Vir-ginia. The bark, which is the offi-cinal portion, is astringent andvery bitter; and is adapted forcases in which a combination ofastringent . and bitter agents isneeded. 19. Geum, Water Jivens—theroot of Geum rivale, describedunder Tonics as indigenous inthe United States—is often usedas an astringent in the cases sooften mentioned already, as re-quiring astringents. The dose ofthe powdered root is from 9j to3j ; but it is usually employed indecoction ; (Gei l]; dquae Oj. or ) 20. Heuchera, Alum root—theroot of Heuchera cortusa, H. Ame-ricana, America?!. Sanicle; Pentandria Digynia ; Saxifrages; a plant foundin the middle States, flowering in. Heuchera acerifolia. 134 SPECIAL ASTRINGENTS. June or July. The root has a powerfully astringent taste, and—as wellas the roots of other species of Heuchera—may be given in the samecases as vegetable astringents in general. 21. Rhus Glabrum, Sumach. This is the fruit or berries of Rhusglabrum, Smooth sumach. Upland sumach; Sex. Syst. Pentandria Trigy-nia ; Nat. Ord. Terebinthaceae; found everywhere in the United is astringent, and is sometimes used in infusion as a gargle in sorethroat. The inner bark of the root, which also possesses astringentvirtues, may be used as a collutory in mercurial ptyalism, and variousforms of stomatitis. 22. Rubus Trivialis, Dewberry Root; and 23, Rubus Villosus,Blackberry Root; Sex. Syst. Icosandria Polygynia ; Nat. ; are the roots of well known plauts, whose berries are muchused as food. The main bitterness and astringency appear to residein t
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