Hastings' Dictionary of the Bible (1898)
GRASS. Isa 51:12. This word is frequently applied in the Scriptures to herbage generally, Isa 15:6, though sometimes distinction is made between such herbs as are used by man as grain and vegetables, and such as are used chiefly by cattle. Ps 104:14. The quick growth and tenderness of this species of vegetation furnish several of the most striking illustrations of the Scriptures. Ps 90:5-6; Ps 92:7; Ps 103:15-16; Isa 40:6-8; Jer 51:12; Jas 1:10; 1 Pet 1:24.
" Nothing can exceed in beauty and appropriateness the gradation of images employed by the prophet, 2 Kgs 19:26; the weakness and tenderness of the first shoots of any green herb; the frailty of the few spires of grass that sometimes spring up in the vegetable mould or shallow earth upon the housetop, or the withered blade of corn (grain) blasted before it rises into a stalk. Coarse herbage was often dried, as it is still, for the purpose of heating ovens. Under the fierce rays of a Syrian sun, joined to parching winds, it often happens that "the grass of the field which to-day is, . . .
" Matt 6:30; Matt 13:30; Luke 12:28.