Hairy St John's-wort ~ Hypericum hirsutum.
Description: Up to 100cm. Yellow flowers to 60mm
Location: Damp grass and woodland
Flowering: July to August

Hare's-tail Cotton Sedge / Bog Cotton ~ Eriophorium vaginatum.
Description: Grass to 50cm. Cotton like fluffy head
Location: Boggy ground
Flowering:

Heather (Bell) ~ Erica cinerea.
Description: Evergreen shrub 15-75cm tall. Pale pink/purple flowers 4-7mm
Location: Heath, bog, wet, acid soils.
Flowering: July to September

Heather ~ Calluna vulgaris.
Description: Up to 150cm tall Pink/purple flowers 3-4mm
Location: Heath and moor
Flowering: July to September