Plate 19 



ra 





XllO 



X2000 



X 1000 





X 500 



PLATYGRAPHA PEBICLEA Nyl. 



a Plant on bark. h. Portion of thallus and apothecia. c. Vertical section 



of thallus. d. Vertical Kection of apothecium. e. Ascus and paraphysis. 



/. Spore. 



