6a. Catch "That's no hadder!". That's what it says in the online crossword, is it the same in the printed paper? Chambers doesn't list Hadder but Webster gives it as an obsolete term for heath or heather. I'm inclined to HASP (catch), any opinions?
Agree hasp - can't find "hadder" anywhere but got a flash of enlightenment - H + adder i.e asp, as that which killed Cleopatra. VERRRRY obscure clue, where the "no" comes from, I don't (know, that is!!) Good luck with rest, am still struggling...