Keywords: The Oak (Marshall Ward) Fig 17.jpg en Fig 17 Transverse section of cortex and phlegm of oak highly magnified k the periderm cork which has replaced the epidermis; c collenchyma; d cells of cortex containing crystals of oxalate of lime; s schlerenchyma cells All these belong to the cortex proper Below these come the phloƫm; b b groups of hard bast fibers; bp phloƫm-parenchyma; bs medullary ray; e cells containing crystals of oxalate of lime Luerssen 1892 The Oak A Popular Introduction to Forest-Botany H Marshall Ward PD-old-100 The Oak Marshall Ward |