6. she had brought them up to the roof of the house, and hid them with the stalks of flax--Flax, with other vegetable productions, is at a certain season spread out on the flat roofs of Eastern houses to be dried in the sun; and, after lying awhile, it is piled up in numerous little stacks, which, from the luxuriant growth of the flax, rise to a height of three or four feet. Behind some of these stacks Rahab concealed the spies.

JFB.