Possible Clues:

• Will or solemn declaration
• Trial meant to upset will
• Will outer edges of the plant’s reproductive organ rot in the end?
• The evidence could be old or new
• Will try a response before tea - either old or new
• The sort of 10 across with 25 down in it
• Will - covenant
• Demonstration of cooking meats in red wine
• Trial people enter at will
• Will let off steam in the shelter