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| Keywords: The Oak (Marshall Ward) Fig 29.jpg en Fig 29 ”A small piece of one annual ring of old oak wood magnified twenty diameters a boundary of the autumn wood of the preceding older ring; b that between the zone shown and the next youngest ring In the annual ring shown the spring wood begins with large vessels c and d some with tyloses d in them and passes gradually into autumn wood with smaller vessels e e and more tracheids and fibers g Only small medullary rays i are shown Hartig 1892 The Oak A Popular Introduction to Forest-Botany H Marshall Ward PD-old-100 The Oak Marshall Ward | ||||
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