Sometimes means any green herbage, Isaiah 15:6 , and sometimes the usual food of cattle, Psalm 104:14 . The quick growth of grass, its tenderness, and its rapid combustion when dry, have furnished the sacred writers with some of their most appropriate illustrations, Psalm 90:5,6 92:7 103:15,16 Isaiah 40:6-8 51:12 James 1:10 1 Peter 1:24 . All sorts of grass and small shrubs are still used in Syria for fuel, on account of the scarcity of wood, Matthew 6:28-30 . Travelers in that country often see grass growing on the housetops, the roofs being flat and coated with earth trodden hard. Such grass quickly withers when the rainy season is over, Psalm 129:6,7 Isaiah 37:27 .