Plate 21 





••'->' 



, *- • 



■* f* 





sf- 



.V 





/ .\ • ••- . ^1 







a 



/' 



X25 



y 



X 700 



X 1000 



X 850 



ARTHOTHELIUM SPECTABILE Massal. 



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

 of thallus. d. Vertical section of apothecium. e. Ascus. /. Spore. 



