Perforate St John's-wort ( Hypericum perforatum

7 July 2019* Stainburn Forest 

Perforate St John’s-wort or Common St John’s-wort as it is also known is a medium tall, hairless grassland perennial. In common with most species of St John’s-wort it has golden yellow flowers with black dots along the edge of the petals. The leaves when held up to the light show many translucent dots hence the common name of perforate St John’s-wort. (LINK)