Plate 53 



i. i 



t 



'■' ,» 



I 



t.UI 





X 50 



/ 





X 1500 



! 1 ' 



\-' 





X 70 



^'Wf 



LECANIA SYRINGEA Tli. Fr. 



a. I'iaut on bark. h. Portion of plant, c. Vertical section of thallus. d. Vertical 

 section of thallus and apothecium. e. Ascus and paraphj'sis. /. Spores. 



