7. hislop without merton undisclosed 7,3
12. labour politician 7,4
15. jakes competition 5,6,4
27. sounds like these could support ambridge 6
38. author played by Winslett 4,7
Sorry for not answering sooner(making a cuppa) no50 is spot on.Lobelia is a good answer to the other one but it's not a very good clue-too vague,I think