Plate 63 



.41**''' ^V^ 



UMBILICARIA PUSTULATA Hoffm. 



a. Plant from rock. h. Vortical section of thallus. c. Vertical section of thallus 



aud upotheciiim. d. Ascus and paraphyses. r. Spore. 



/. Sterigmata and spermatia. 



