Luzula arcuata; The Curved Wood-rush is a slender Wood-rush commonly growing on higher altitudes. The inflorescence consists of a few long stalked flower clusters of which some start to curve to the side or even downward during maturity. The first photo shows the beginning of of this proces. The long slender stalks are characeteristic.
The Curved Wood-rush (Luzula arcuata) is a member of the rush family (Juncaceae).