49.

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Across
  1. 2. Looking back, for example, it's the sheepish type with poetic edge (5)
  2. 4. On the way back, for example, about to get time to catch a heron (5)
  3. 5. Get lost at the bar with sheepish type (5)
  4. 7. It's too vinegary for the sheeplike (5)
  5. 8. OF LAMB Letter of introduction opens with denial from extreme sheepish type with joint (4,2,4)
  6. 9. Some initially confuse the sheepish type's joint (6)
  7. 11. Looking back, for example, ringing Ulster Unionist for key to hysterical symptom (5)
  8. 13. Month with poetic showers
  9. 15. For instance, it's the wrong set to void from the body (5)
  10. 16. Seeing red paramilitary group looking back for alien (5)
  11. 18. Elbow back, for example, a brownish-grey horse (5)
  12. 19. RACKS For those hitting the road with The Gladstones, for example, it's on the house for those who can hold their drink (4,5)
Down
  1. 1. Sheepish type with local barker is getting on (6)
  2. 3. A boring thing, looking back, for Irish police
  3. 6. Looking back, for example, vague memories perhaps of local small person (5)
  4. 8. For example, it's all above board (5)
  5. 10. Hears storm to affect the sheepish types (5)
  6. 12. UP Come back, for example, to put up, and commit it to memory (3,2)
  7. 14. For example it's about to follow free range
  8. 17. It's hard to manage looking back for an extended period