Exodus 2:3
And when she could not longer hide him, she took for him an ark of bulrushes, and daubed it with slime and with pitch, and put the child therein; and she laid it in the flags by the river's brink.
Torrey's Topical Textbook—AKJV

Job 8:11
Can the rush grow up without mire? can the flag grow without water?
Torrey's Topical Textbook—AKJV