Brittlestem. Which one ?

Brittlestem.  Which one ?

Observation - Brittlestem. Which one ? - UK and Ireland. Description: About 25mm cap diameter. Stipe about 60mm long, 4mm diameter. Three of them found growing in a gravel area in the garden. Brown spore print.

About 25mm cap diameter. Stipe about 60mm long, 4mm diameter. Three of them found growing in a gravel area in the garden. Brown spore print.