Related Clues:

• What's in the open might become a thicket after a century
• It needs no hidden turn to get around the priest
• Not close to getting around the writer
• Trove or little of the start of 1 down
• Nothing not so close to the writer
• Nothing hidden about a little tea
• It's up to turn around the cleric with nothing hidden
• After it's finished, tea is never hidden
• The way to turn around the cleric in no hidden way
• The sort of open urn that one might knock over
• The kind of open urn one might upset
• Patently one has finished with tea
• O, pen! O, half-vertical!
• Not close around the writer
• Not close to round one of what needs 12 across (4)