11 down- US husbandman admits e.g. going round Wellington's place-did he cross the wall? (11) Is it grenzganger?
1 across- Set foot in a palace,right? Wrong-this was the unexpected follow-up(9)?????????
17 across-Lawgiver mention curbing scum for the most part(10)N?????????
34 across- Inhabitants of Spain as was,flower of Rome kept in semi-chastity?(9)?????????
10 down- Advocacy is rotten and may need changing(11)???????????
15 down- Unaccompanied harmonica's part showing fine judgement?(9)???????I?
Any help would be appreciated,thank you.