Cryptic crossword - The Scotsman 08/09/14

ACROSS

4 In the East, gardens are cultivated by men of high rank (8)

5 Chips cook with gravy, at the end, could be an ancient medicine (6)

9 Gets rid off some fish at the hearth (8)

10 Golden gun awarded to popular novelist (6)

12 Waited to render assistance to Duke (6)

13 Give one the slip to take off skirt (5)

16 Players in rep turned out (6)

17 Spying on prime suspect planting some seedlings (8)

20 Put aside military back-up on duty, initially (8)

21 Medieval ensign for writer, not in France though (6)

23 Small vessel getting round is one’s pride and joy (5)

25 Back artist to break legal restraint (6)

28 Have 1 down for story before the new Testament (6)

29 Transport of delight in approach to drive (8)

30 On departure, in short, left old yard to set things up (6)

31 Is faithful to firm, all the time (8)

DOWN

1 Present US soldier with fine model (4)

2 Excellent track may be a bit windy (4)

3 Disease suffered by girls having tantrum (9)

4 At last, I have finished up with a salad plant (6)

6 Is it hard to get English runner at home? (5)

7 Lots have conditions put on degrees (10)

8 Meeting to study outer limits, by national Trust (10)

11 Is proficient in a small section of the business (5)

14 Ascribed, at fist, honour to daughter (10)

15 Do fish guzzle endless plankton, at first? Nonsense (10)

18 Did Sartre sue over some valuable items? (9)

19 Hold up a small part of the Heaviside layer (5)

22 Did a top performer run on to the end very quickly? (6)

24 Turn after beat in ballroom dance (5)

26 Manage to get through a fantastic square pilaster (4)

27 Exploit fans expecting another trialist, initially (4)