Across
1 & 11. The best in the country
6. Grasp
9. Evict
10. Lassitude
11. See 1 across
12. Gene
14. Numbers
15. Mermaid
17. Session
19. Genital
20. Bust
22. Act of faith
25. Epicurean
26. Suite
27. Ditch
28. Residents
Down
1. Treat
2. Epidermis
3. Estrogenic
4. Talents
5. Nostrum
6. Grip
7. Acute
8. Prebendal
13. Transfused
14. Nosebleed
16. Attrition
18. Nuclear
19. Grounds
21. Saint
23. Heels
24. Lush