The alder is a genus of plants of the birch family Betulaceae, consisting of trees and shrubs found in the temperate and colder regions of the world. Common alder (Alnus glutinosa) is a tree which grows in wet situations in Europe, Asia, and the United States. Its wood, light and soft and of a reddish colour, is used for a variety of purposes, and is well adapted for work which is to be kept constantly in water. The roots and knots furnish a beautifully-veined wood well suited for cabinet work. The bark is used in tanning and leather dressing, and by fishermen for staining their nets. This and the young twigs are sometimes employed in dyeing, and yield different shades of yellow and red. With the addition of copperas it yields a black dye. Research Alder
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Nature
Research Alder