This crossword No. 11029 clues and answers were published on Sat 10 Sep 2005 and the puzzle can be visited by following The Guardian Quick Crossword No. 11029 link.
All Across Clues and Answers:
1-across – The science of plants : BOTANY
4-across – For this special purpose : ADHOC
7-across – Tract of soft, wet ground : MORASS
8-across – Thinly populated : SPARSE
9-across – See 19 : WORD
10-across – Period! : FULLSTOP
12-across – See 20 : THEQUESTION
17-across – Recklessly determined : HELLBENT
19-across – Ssssh! : NOTA
20-across – Hamlet’s dilemma : TOBEOR
21-across – Idea : NOTION
22-across – Old Nick : SATAN
23-across – Seat on horse, bicycle etc : SADDLE
All Down Clues and Answers:
1-down – Lavish meal : BLOWOUT
2-down – Senseless talk : TWADDLE
3-down – South Sea instrument – use Teflon : NOSEFLUTE
4-down – Horrify : APPAL
5-down – Hamlet’s friend : HORATIO
6-down – Eerie – chilling : CREEPY
11-down – Liner sunk by U-boat in 1915 : LUSITANIA
13-down – Large flatfish : HALIBUT
14-down – Lit : IGNITED
15-down – See 20 : NOTTOBE
16-down – See 20 : THATIS
18-down – Moved by the wind : BLOWN
This crossword has in total 25 where 13 are across and 12 are down.