Graphis sp. Buck 33018
Thallus thin, corticolous, crustose, mostly evenly thickened and uniform, continuous, extensive, blueish gray and closely appressed to substrate, thinly and evenly prosoplectenchymatous throughout and quite smooth-shiny, K+ orange red, P-. Ascomata quite dense, immeresed, indicated by repeatedly sinuose branching exciple very narrowly exposed at apex, thalline veil almost to apex, labia broad, pale, corticate, mostly 2-3 mm long, but strongly curving and loosely interwoven. Exciple carbonized throughout, thickly below and at lower "corners", entire, almost completely immersed, disk not exposed, lips connicvent. Hymenium round, not inspersed. Spores I+ blue, 5x15µ long 5-6 locular, moderately thickly walled and oblong to slightly tapered to one end.
Is this a 5-6 locular version of B 25726?