Keywords: The Oak (Marshall Ward) Fig 24.jpg Fig 7 The smaller figure above shows the cambium ring cam now developed as a continuous layer running inside the primary phloëm pr ph and outside the primary xylem pr x; and the larger figure shows the results of its activity in the formation of secondary phloëm se ph inside the primary and secondary xylem se x between the primary xylem groups In both cases ep piliferous layer; c cortex; P pith; sh endodermis Within the latter lies the pericycle in which the cork cambium c cam is now developed 1892 The Oak A Popular Introduction to Forest-Botany H Marshall Ward PD-old-100 The Oak Marshall Ward |