ACROSS
1. Byres (8) 5. Any of a variety of stinging insects that live in hives and produce a thick, sweet, edible fluid (5,3) 9. Standards of perfection (6) 10. Fertilisation (10) 11. Breed of hair sheep developed in Maine in the 14. Junk emails (4) 17. Currency units used in France, Germany, etc (5) 18. Victor; champion (9) 19. Graded cut of beef (5) 20. Plant louse (5) 22. Enclosed plot of fruit trees (7) 23. Polishes (5) 25. _____ is a mixture of spices used in Indian cookery (5) 27. Black-haired, long-bodied breed of pig from Zimbabwe (9) 28. _____ rubber is an elastic gummy substance used in pencil erasers (5) 30. Assumes a horizontal position (4) 32. Abnormal enlargement of glandular tissue (8) 34. Having three leaves (10) 35. Thin panel of fine wood used as an overlay (6) 36. Equestrian display of deportment and response to controls (8) 37. Suffering physical or mental pressure (8)