PLATE VIII. 



Verrucaria fulva sp. nov. 



Fig. I. Thalli showing grouping (Xs)- 



2. Spores (X 250). 



3. Section of apothecium (X48)- «> ampithecium ; /, perithecium ; »?, 

 medullary lajer ; g, gonidia; c, cortical layer. 



The figures are drawn from specimens collected by Dr. Trelease at Port Wells. 

 (no. 918.) 



(150) 



