Plate 46 









X 15 





/ 



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I X 700 





X 800 Jo^M>OrWUfjoo jj,j,.,oc 



XANTHORIA PARIETINA Th. Fr. 



a. Portion of plant, b. Vertical section of tballus. c. Vertical section of apotbecium. 



d. Ascus pind paraphyses. e. Spores. /. Vertical sootion of spermogoue. 



g. Steriginata and spermatia. 



