Collected recently in Southern Vermont (US), on a decorticated branch (possibly Quercus) on which also grew Berkleasmeum conglobatum and (I think) Hysterium hyalinum.  Dense black disks which became somewhat pulvinate when hydrated.  The largest approaching 1mm in diameter.

Asci with 8 spores, bitunicate, about 138-148 x 24-25µm.  IKI-

Spores muriform, at first hyaline, finally dark brown, 4-7 septate with longitudinal septa.  25-33 x 10-13µm.  It appears that the spores inside the asci are at the larger end of the scale 31-33µm long while the darker spores loose in the centrum are somewhat shorter  23-27µm. 

The outer layer appears to be a dark, agglutinated (?) layer appearing red in projected light.  It was very difficult to discern any paraphyses or other features. 

Because of the resemblance to Patellarioid ascos, I had thought it might be Tryblidaria, but perhaps that's not a very good fit.  Can anyone provide me with a shove in the right direction?  Thanks!