Plate 51 



ill! 



MIGROTHELIA MICULA Flot. 



a. Whole plant, b. Portion of thallus and peritheoia. c. Vertical section of 



thaUus. d. Vertical section of peritheoia. e. Ascus and paraphyses. 



/. .Spores. Sf^i^fMvb^Vx 



