Photo taken on 25/04/08 at Bison Hill, Whipsnade, Bed., on Walk 1 of the Chiltern Chain Walk
This flower is common in woods from late Spring to June. The fourth photograph shows a variety with silver markings on the leaves - this was originally grown in gardens but has escaped and is now quite widespread.
Photo taken on 25/04/08 at Bison Hill, Whipsnade, Bed., on Walk 1 of the Chiltern Chain Walk
Photo taken on 25/04/08 at Bison Hill, Whipsnade, Bed., on Walk 1 of the Chiltern Chain Walk
Photo taken on 09/04/08 at Park Corner, Oxon., on the Route of Walk 17 of the Chiltern Chain Walk