Rhododendron

A large genus of shrubs of the order ericaceae and species rhodorece. R. campanula tum, the bell-flowered rhododendron. The leaves are used as an errhine. R. chrysanthum, a variety of Eastern Siberia. The leaves and flowering branches are used in rheumatism and gout. Thev are stimulant, diaphoretic, and diuretic, and in large doses narcotic. R. cinnabarinum, an East Indian variety poisonous. R. dahuricum, Dahurian rhododendron. The leaves are used in gout and rheumatism. R. maximum, American great laurel. The leaves are sometimes used in rheumatism and gout. R. of ficin ale. Synonym of R. chrysanthum. R. ponticum, pontic rhododendron of Asia Minor, Armenia, and Spain. It is used in gout and rheumatism. R., Tinctura, made by treating 1 part of the leaves of R. chrysanthum with 3 parts each of brandy and white wine for two weeks, and filtering.