Rubus

(ru'-bus). Blackberry. The bark of several species of Rubus. It contains about 10 per cent, of tannic acid, to which its properties are mainly due. It is useful in the summer complaints of children. Dose gr. R. chamaemorus, the cloud-berry. It is used in Ru ia as a diuretic and sudorific, the berries, leaves, and flowers being employed in infusion or extract. Unof. R., Ext., Fid. Dose tt. R. idaeus, Raspberry, the fruit of several species of rubus. It contains various fruit-acids, flavors, etc. It is used as a flavor for syrups. R. id., Syr., contains the clarified juice of the fruit with sugar q. s. R., Syr., fld. ext. rubus 25, syrup 75 parts. Dose Syr., Aromat., unof., contains the rootbark with cloves, cinnamon, nutmeg, etc. Each fluid ounce contains gr. xxx of the drug.