Possible Clues:

• Conclusion beginning
• How do you put something between gold and myrrh?
• A can like this may be just a plant
• See 27-Across
• Accordingly, one day of the week's not right day
• Therefore, hence
• A can like this might prick one
• A can is needed to grow it like this
• A can can make it prickly this way
• … so in enthusiasm