Each seed within the pod is surrounded by a sweet, black and honey-like substance, which contains the property alluded to.
The gamboge tree is commonly known in Ceylon as the "ghorka." This grows to the common size of an apple tree, and bears a corrugated and intensely acid fruit.

This is dried by the natives and used in curries.

The gamboge is the juice of the tree obtained by incisions in the bark.

This tree grows in great numbers in the neighborhood of Colombo, especially among the cinnamon gardens.

Here, also, the cashew tree grows to great perfection.