Quick crossword No 17,553

1A person of consequence (8) 1 down. A person of consequence. 8 letters.

2Ornamental garden building (5) 2 down. Ornamental garden building. 5 letters.

4Where one problem leads to another, compounding the original difficulty (7,6) 4 down. Where one problem leads to another, compounding the original difficulty. 7 letters and 6 letters.

5Competitor (5) 5 down. Competitor. 5 letters.

6Baltic state bordering Russia and Latvia (7) 6 down. Baltic state bordering Russia and Latvia. 7 letters.

7Plant which reproduces via spores (4) 7 down. Plant which reproduces via spores. 4 letters.

8South American plant grown for its rice-like seeds (6) 8 down. South American plant grown for its rice-like seeds. 6 letters.

13Time for a drink (3,5) 13 down. Time for a drink. 3 letters and 5 letters.

15One plays alone (7) 15 down. One plays alone. 7 letters.

16Slow on the uptake (6) 16 down. Slow on the uptake. 6 letters.

18Cancel (5) 18 down. Cancel. 5 letters.

20Treatment (5) 20 down. Treatment. 5 letters.

21Heavy hitter? (4) 21 down. Heavy hitter? 4 letters.