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462 The Book of Woodcraft squirts, etc. Its black sweet berries are used for making wine. Its leaves are somewhat like those of Black Ash, but have a green succulent stalk. A tea of the inner bark is a powerful diuretic. The young leaf- buds are a drastic purgative; they may be ground up and taken as decoction in very small doses. The leaves are 8 to 1 2 inches long ; leaflets, 5 to II, usually 7, and 2 to 5 inches long. There is another species with red berries. It is called the Mountain Elder (S. pubens) and is found from New Brunswick to British Columbia, and southeast to California and Georgia. It has orange pith and purple leafstalks whereas Cana- densis has yellow pith and green leafstalks.