Catkins

Morning walk with the dogs (on Saturday morning -blip confused so had to back blip this one)

Researched the catkins and found
"The Editors of Encyclopædia Britannica
catkin, Elongated cluster of single-sex flowers bearing scaly bracts and usually lacking petals. Many trees bear catkins, including willows, birches, and oaks. Wind carries pollen from male to female catkins or from male catkins to female flowers that take a different form (e.g., in spikes)."