Related Clues:

• Vine that can make your skin itch
• A clinging girl?
• Dartmouth, for one
• ''League'' with Dartmouth
• Wrigley Field plant
• Brown, e.g ... or a green vine
• "The Holly and the __": traditional British carol
• Unwelcome sounds for a balloon artist
• Plant that can help keep a building cool
• Opens, as a trunk