Almost finished but I need help with the bottom lefthand corner.
I have 15 d as Excalibur. Steel flourished years ago as Liberal behind vote about being in Europe ?
23 d Sounds like posh cab in good order (6)? U ? ? ? Y
31 ac A few nameless Byron works showing doubt (8 three words) B E ? ? ? I ? F
33 ac Gorse and rubber trees examined inside (6)
U L ? ? ? E