Winged seed

Winged seed

Observation - Winged seed - UK and Ireland. Description: Floating gently on the breezes in my delightful garden, I saw (and collected) these. They are winged seeds, not unlike single sycamore (but much smaller) but June not October. CE is 2mm.- anyone?

Floating gently on the breezes in my delightful garden, I saw (and collected) these. They are winged seeds, not unlike single sycamore (but much smaller) but June not October.
CE is 2mm.- anyone?
Jan 2015 - added >>MY GARDEN<< tag ONLY