. Handbook of the trees of the northern states and Canada east of the Rocky mountains. Photo-descriptive. BLACK WALNUT. Juglans nigra Fig. 56. Branchlet with leaves and fruit, i; fruit in cross-section,moved, 3 ; a vigorous leaf, 4 ; branchlet in winter, 5. 57. Trunk of tree in Genesee valley, N. Y. 58. Wood structure magnified 15 diameters. 2 ; nuts with epicarps re- Handbook of Trees of the Xortiiern States and Canada. 49 The Black Walnut attains the hei-jiit of 100to 150 ft. in the forests, with a trunk 4-(J diameter, vested in a prominently ridgeddark brown bark. When growing apa


. Handbook of the trees of the northern states and Canada east of the Rocky mountains. Photo-descriptive. BLACK WALNUT. Juglans nigra Fig. 56. Branchlet with leaves and fruit, i; fruit in cross-section,moved, 3 ; a vigorous leaf, 4 ; branchlet in winter, 5. 57. Trunk of tree in Genesee valley, N. Y. 58. Wood structure magnified 15 diameters. 2 ; nuts with epicarps re- Handbook of Trees of the Xortiiern States and Canada. 49 The Black Walnut attains the hei-jiit of 100to 150 ft. in the forests, with a trunk 4-(J diameter, vested in a prominently ridgeddark brown bark. When growing apart fromsurrounding objeets it develops a symmetricalrounded top of beautiful foliage. Once anabundant tree and constituting a considerableportion of large tracts of forest, particularlyin the great Mississippi Basin, its valuablewood has caused its almost complete destruc-tion as a commercial product. The value ofits timber was early recognized, as historytell us that it was an article of export to Eng-land early in the seventeenth century. Oflate years new trees are being i)r,)pagatedwhich eventually will in a measure take theplac


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