Related Clues:

• Caddie's offering
• House shader
• Fireplace decoration
• One of 100 in Scrabble
• Ceramacist's medium
• Source of 85-Down
• Kind of tree
• Ebony or mahogany
• Furniture material
• See 63-Across
• It comes in 4 x 8 pieces
• Iowa's state tree
• 'Red' or 'white' tree
• Yellow-ribboned tree
• Modeling medium