This crossword No. 10093 clues and answers were published on Mon 09 Sep 2002 and the puzzle can be visited by following The Guardian Quick Crossword No. 10093 link.
All Across Clues and Answers:
1-across – Plant with edible spears : ASPARAGUS
8-across – Severe – unkind : HARSH
9-across – Stiff, silky fabric : TAFFETA
10-across – Old age : SENILITY
11-across – Presently – nameless : ANON
13-across – Wading bird, such as a peewit : PLOVER
14-across – Colourless : PALLID
16-across – Egg-shaped : OVAL
17-across – Woodland flower : BLUEBELL
19-across – Siren of the Rhine : LORELEI
20-across – Sediment at bottom of drink : DREGS
21-across – One doing errands : MESSENGER
All Down Clues and Answers:
1-down – Greek hero : ACHILLES
2-down – Root vegetable : POTATO
3-down – Split : RIFT
4-down – My lady of old folk song : GREENSLEEVES
5-down – Material of coloured windows : STAINEDGLASS
6-down – White to play and mate etc : CHESSPROBLEM
7-down – Prehistoric thunderer? : BRONTOSAURUS
12-down – Fragrant, blue-flowered shrub : LAVENDER
15-down – Aviation : FLYING
18-down – Vent : FLUE
This crossword has in total 22 where 12 are across and 10 are down.