11. Bolero, a waistcoat. Bole, on a tree/elder+ or, yellow ('about' means reversed, so 'ro')
1Down is an anagram, Dumpynose usually has lots.
33. Yes Siren - a hooter (noisy) and Delilah, a temptress
35. Otic - hidden in the clue.
Mythmakers is wrong - there's only one other word that'll fit I think.
I don't think 'litoral' is correct.