{Oranberry tree, Cramp bark.) Description.— This shrub grows from five to fiPleen feet liigh, on low ground along streams; common in Canada and the Northern and Western States, extending south asiar as Virginia; very abundant in the Catekill and Alleghany mountains. Flowers in June and July, The acid fruit is a sub- stitute for cranberries, whence the name, Sigh cranberry bmh. The common, well-known Sn'iwbaU tree, or Oaelder rose of our gardens ia a cultivated variety of thia species, with the whole cyme turned by cultivation into showy, stto-ile flowers. The Viburnum prunifolium [Black Haw), which is found in dry copses from New England, Canada, and Illintiis on the north, to Tennesaee and Virginia on the south, is a much larger shrub, and should not be confounded with Vi- burnum Opulus. PaBPABATioN.^Tincture from inner bark of shrub, and bark of root.