Possible Clues:

• Coarse grass
• A poster (anag.)
• It's spare to the grass
• Coarse type of grass
• Grass about being equal to being in broken toes
• Eastern yard on board to grass
• Initiator of escape thus accepts role as grass
• Grass will knock up the middle of broken toes
• A poet's excited to skirt river in coarse grass
• From the east, one yard to the grass