Nylander called the apothecium pale within, but forms with red-brown hypothecia are admitted by later writers.    From Wordnik.com.  [Ohio Biological Survey, Bull. 10, Vol. 11, No. 6 The Ascomycetes of Ohio IV and V] Reference

No species showed any great luxuriance, and seldom did the black and white lichen-crust produce any 'apothecium,' The lichen-vegetation was most abundant on the driftwood of the beach and on the tufts in the marshes.    From Wordnik.com.  [The Voyage of the Vega round Asia and Europe, Volume I and Volume II] Reference

The disk of the apothecium white-pruinose 2.    From Wordnik.com.  [Ohio Biological Survey, Bull. 10, Vol. 11, No. 6 The Ascomycetes of Ohio IV and V] Reference