PLATE VIII. 



Verrucaria fulva sp. nov. 



FIG. i. Thalli showing grouping 



2. Spores (X25o). 



3. Section of apothecium (X4-8). , ampithecium ; /, perithecium ; tn, 

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



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

 (NO. 918.) 



