Truffles and capers grow wild; while peas, beans, onions, spinach, cucumbers, and lentils are cultivated successfully.

The carob (_Ceratonia Siliqua_) must also be mentioned as among the rarer products of this region.
It was noticed above that manna is gathered in Assyria from the dwarf oak.

It is abundant in Zagros, and is found also in the woods about Mardin, and again between Orfah and Diarbekr.

According to Mr.Rich, it is not confined to the dwarf oak, or even to trees and shrubs, but is deposited also on sand, rocks, and stone.

It is most plentiful in wet seasons, and especially after fogs; in dry seasons it fails almost totally.