Cryptic Crossword - The Scotsman 19/04/13

Across

1 They blossom on weed, fellows such as William and Benjamin (6,3,3)

9 Irish rebellion put together by nationalist? (7)

10 Channel Islands implacable about method of storing water (7)

11 Chase off, but stop short of firing gun (4)

12 Canoe suitable for travelling both ways (5)

13 Prize found in five, perhaps (4)

16 O genius! Figures formed from molten rock (7)

17 Absolutely determined to write about historical clique (4,3)

18 Put a stop to mice running about here but nowhere else (7)

21 Has clip edited by Islamic rulers (7)

23 What rubbish, old chap! (4)

24 In volume, river runs into stream (5)

25 Enormous embrace given to leading entrant (4)

28 Middle grade you and I and others find amazing (7)

29 Spotted utilitarian at woodworks (7)

30 They say article’s Conservative stab in the back to the Home Counties (3,5,4)

DOWN

2 Fail to alter skirt as child grows (3,4)

3 Lover can’t start cart (4)

4 Deem it a slur to change established ceremonies (7)

5 Place to grow fruit or green vegetable (7)

6 First salvo in test of majority (4)

7 Provokes unnecessary lack of finish (7)

8 One all washed up, battered and drained? (2,5,5)

9 Toxic waste at silent pile (12)

14 Verses found in manuscript by mystery author (5)

15 Western partner is nitwit (5)

19 Analyse cult of Diana? (7)

20 Going price for hiring a dog (7)

21 To get on the wrong side of master, I hear, will make him more beside himself (7)

22 A line-up organized to find girl (7)

26 Perform exercises on drugs (4)

27 Some gewgaws retrieved from thief’s haul (4)