Plate 5 



X50 



d 





f 



J 



' X 1200 



X500 



LECIDEA (PSORA) LURIDA Acb. 



a. Plant, h. Portion of thallus and apotbecia. c. Vertical section of 

 thallus. d. Vertical section of apothecium. e. Ascus and paraphyses. 



/. Spores. 



