Instead of bouquets, give each bridesmaid a minivase of baby's breath in a twine-wrapped mason jar to carry down the aisle.
charcoal table runner, photo by Emily Wren OK Sally: not the ivy & stuff but the gray runner on white. and candles. maybe more than you want to use but it's a jumping off idea.
Rustic Wedding Decoration, burlap plant wrap with satin tie, wedding favor and dramatic centrepiece