PLATE II.
Fig. 1—TRANSVERSE SECTION OF AN AGED STEM; SECONDARY FORMATIONS.
Fig. 2—LONGITUDINAL SECTION OF SAME STEM.
Bark formed of a corky and pulpy cortical of a secondary origin. The primary bark exfoliates itself at a very early stage.
The pulp contains some oxaliferous cellules and some grains of starch.
The wood contains some veins and a considerable quantity of fibres with thick and dotted partitions. The marrow remains always pulpy and with lignified cellules.