Plate 7 



Fig. 1. Par>iielia saxafilis, pale Fig. 7. 



gray. 

 Fig. 2. P. saxatilis. tip showing 



black holdfasts. Fig. 8. 



Fig. 3. P. sulcata, showing ridges 



of soredia. Fig. 9. 



Fig. 4. P. jrondijcra, covered with Fig. 10. 



miniature lobes. 

 Fig. 5. P. tiliacea, pale gray. Fig. 11. 



Fig. 6. P. tiliacea, with irregular 



fruits. Fig. 12. 



P. tiliacea var. sublaevigata, 



fragment showing long 



branches. 

 P. tiliacea var. isidioidea, 



blue-green with soredia. 

 P. conspersa, yellow gray. 

 P. cotuspersa, with coral-like 



growths. 

 P. conspersa, fragment of a 



form with broad tips. 

 P. conspersa, spores. 



