Scytinium palmatum  

Thallus: like Scytinium gelatinosum, but lobes larger, to 5 mm wide, ± erect, the margins characteristically downturned forming tube-like structures. Upper surface blackish olive-green to brown, without a distinct reddish tinge, smooth or slightly wrinkled.
Anamorph: no information available.
Teleomorph: ascomata apothecia, very rare in GBI.