---

• n  an annual Eurasian plant cultivated in North America having showy heads of blue or purple or pink or white flowers
• n  blowfly with iridescent blue body; makes a loud buzzing noise in flight

• The flies used are the bluebottle (Calliphora erythrocephala) and the greenbottle (Lucilia caesar).
• You have to put your lips together and make a sound like bluebottle flies buzzing on the window.
• A later observation: that bone infections could be cured by the use of bluebottle fly maggots.

• cornflower
• bachelor's button
• Centaurea cyanus
• Calliphora vicina