Plate 4 



G 



X 500 



X 500 





^^3 



W^ 



X 1200 



GYALECTA GUPULAEIS Schfer. 



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



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



/. Spores. 



