This crossword No. 11498 clues and answers were published on Thu 15 Mar 2007 and the puzzle can be visited by following The Guardian Quick Crossword No. 11498 link.
All Across Clues and Answers:
1-across – American poet, author of 17 : LONGFELLOW
7-across – Fit of temper : TANTRUM
8-across – Lukewarm : TEPID
10-across – Leave car – recreational area : PARK
11-across – Woodland flower : BLUEBELL
13-across – Shellfish : OYSTER
15-across – Cupboard : CLOSET
17-across – Native American hero : HIAWATHA
18-across – Group – father : ABBA
21-across – Lift – increase : RAISE
22-across – Residue : REMNANT
23-across – Means of travel on rollers : SKATEBOARD
All Down Clues and Answers:
1-down – Passenger ship : LINER
2-down – Roman emperor : NERO
3-down – Closely related group : FAMILY
4-down – In recent times : LATTERLY
5-down – Bear down hard on : OPPRESS
6-down – Stereotypically wicked member of 3 : STEPMOTHER
9-down – Amateur art lover : DILETTANTE
12-down – Effete and corrupt : DECADENT
14-down – Affected by motion of ship : SEASICK
16-down – Little angel : CHERUB
19-down – Ornamental strip : BRAID
20-down – Novel by June Austen : EMMA
This crossword has in total 24 where 12 are across and 12 are down.