Keywords: The Oak (Marshall Ward) Fig 30.jpg en Fig 30 �Transverse section of bark of oak The successive cork-layers Perid cut out masses of the cortex and since everything which is thus separated from the underlying tissues dies scales of bark consisting of various kinds of tissues �sclerenchyma d; parenchyma c; bast-fibers e; crystal cells f; etc �are cut off periodically All that lies outside the innermost sheet of cork is comprised under the term bark Kny 1892 The Oak A Popular Introduction to Forest-Botany H Marshall Ward PD-old-100 The Oak Marshall Ward |