Stuck on the last 2 clues, which I believe are normal cryptic clues rather than the large number of clues without a definition (mostly trees, shrubs etc) referred to in previous correspondence.
Knight say, is a madman (6) N?T?E? It looks like NUTTER (madman), but why/how "Knight say"?
How elan makes an entertaining season! (4) ?O?L The only thing I can think of is NOEL, but don't see why.