Lady's Smock / Cuckoo Flower ~ Cardemine pratensis.
Description: Up to 55cm tall. Pale pink/purple/white flowers, petals 8-13mm.
Location: Damp grassland
Flowering: April to July

Lousewort ~ Pedicularis sylvatica.
Description: Up to 25cm tall. Purplish leaves. Red/pink flowers 20-25mm.
Location: Heaths, moor and bog.
Flowering: April to July