Flower of the Day - Gum blossom

White Gum Blossom photographed in Kalamunda, Western Australia. 

I think these are blossoms of the Tasmanian Blue Gum, Eucalyptus globulis.  Australian Geographic magazine have a neat guide to Australian Gum blossoms, beautifully illustrated by Bronwyn King.

See link here  Guide to gum blossoms by Australian Geographic