This crossword No. 10310 clues and answers were published on Thu 22 May 2003 and the puzzle can be visited by following The Guardian Quick Crossword No. 10310 link.
All Across Clues and Answers:
1-across – Salad plant with crisp leaves : ENDIVE
4-across – Deadly epidemic : PLAGUE
8-across – New blend : REMIX
9-across – Give way under pressure : SUCCUMB
10-across – Transparent silk material : ORGANZA
11-across – An instant : JIFFY
12-across – Gallifreyan time lord : DOCTORWHO
17-across – Plant firmly : EMBED
19-across – Cast a spell on : BEWITCH
21-across – Legendary bird – tragic actor – Arizona capital : PHOENIX
22-across – Received by the ears : AURAL
23-across – Customary : RITUAL
24-across – Meat pin : SKEWER
All Down Clues and Answers:
1-down – Firmly plant : ENROOT
2-down – His nature is only partially divine : DEMIGOD
3-down – Female fox : VIXEN
5-down – Tetanus : LOCKJAW
6-down – Abrupt in sound or manner : GRUFF
7-down – Early stage of development : EMBRYO
9-down – Display unit – spar with imaginary opponent : SHADOWBOX
13-down – : CADENZA
14-down – Get too big for : OUTGROW
15-down – Soften – disposition : TEMPER
16-down – Ship armed with harpoons : WHALER
18-down – Push up : BOOST
20-down – Onomatopoeic blow : WHACK
This crossword has in total 26 where 13 are across and 13 are down.