Rolfs — Florida Lichens. 27 



8. Parhelia latissima, Fee. 



On pine roof; dead oak; hickory; saw palmetto; 

 wild cherry; Xanthoxylum; dead pine ; Crataegus. 



9. Pa RMELi A perforata, (eJacq.) Ach. 



Abundant. On pine stump; oak; hickory; per- 

 simmon . 



10. Parhelia PERL ATA, (L.) Ach. 



On oak ; palmetto ; persimmon ; orange ; magnolia ; 

 pear; sassafras; black oak. 



11. Parhelia PERL ATA, var. ciliata, Ouctt. 



On sassafras. 



12. Parhelia PHYSODES, (L.) Ach. 



Rare. On hickory. 



13. Parhelia tiliace A, (Hoffm.) Floerk. 



Common. On dead cypress ; hickory; crape myrtle; 

 blue gum; oak. 



14. Parhelia tiliacea, var. sublaevigata, Nyl. 



On dead cypress ; magnolia ; hickory ; Bejaria ; sas- 

 safras; linden; plum; pear. 



Physcia. 



15. Physcia adglutinata, (Floerk) Nyl. 



16. Physcia crisp a, Nyl. 



On oak ; palmetto ; magnolia ; dead live-oak ; hickory. 



17. Physcia crispa, var. hypomela. Tuck. 



On wild cherry. 



18. Physcia stellaris, (L.) Nyl. 



Common. On mulberry ; red cedar ; linden ; hickory. 



Pyxine. 



19. Pyxine cocoes, (Sw.) Nyl. 



On palmetto. 



20. Pyxine heissneri. Tuck. 



Very rare. On Carpinus. 



21. Pyxine piCTA, (Sw.) Tuck. 



Abundant. On scrub oak. 



22. Pyxine sorediata, Fr. 



On Ficus ; Sahal. 



