Related Clues:

• Holly's partner in a traditional Christmas carol
• ''Poison'' climbing plant
• Elite school, informally
• Poison __: villain in Batman comics
• Song: 'Poison --'
• Plant growing along the ground
• Slowly, stealthily I move here, peer coyly over walls
• Estuary cut through low-lying plant
• College wall vine
• Yale, e.g., informally
• Climber on some campuses
• One of a collegiate octet
• Ivy? Teacher's pet, little hesitation!
• Plant that grows vertically
• What Dionysus' crown was made of