The Guardian Quick puzzle clues 2016 May 28

• At intervals Crossword Clue
• Breastbone Crossword Clue
• Call before a court to answer an indictment Crossword Clue
• Deep violet-blue colour Crossword Clue
• Doesn't play fair Crossword Clue
• Emmylou Harris' genre Crossword Clue
• Essential airport feature Crossword Clue
• Exceptionally talented youngster Crossword Clue
• Fragrant tree resin used as incense — I'm Lee (anag) Crossword Clue
• Furtive Crossword Clue
• Girl's name — Nancy's region Crossword Clue
• It varies the brightness of an electric light Crossword Clue
• Lean and haggard Crossword Clue
• Left high and dry Crossword Clue
• Meat — grievance Crossword Clue
• Memory aid Crossword Clue
• Money (slang) Crossword Clue
• Monstrous giants Crossword Clue
• On the way Crossword Clue
• Perfumed mixture of alcohol and essential oils Crossword Clue
• Soft leather with one side napped Crossword Clue
• Type of lettuce Crossword Clue
• Unworldly Crossword Clue
• Utilised Crossword Clue