Possible Clues:

• A patch of shrubs and small trees
• Mass of shrubs and bushes growing close together
• Ketch, it was damaged in the trees!
• Bush dense here, stupid (and abroad)
• That may be so dense that won't thin it, by the sound of it
• Mass of shrubs and small trees growing close together
• Wood's parking fine outside hospital?
• Bunch of bushes
• Pass round hard patch of dense woodland
• Offensive peasant's cutting wood