Rolfs — Florida Lichens. 27 



8. Parmelia latissima, Fee. 



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

 wild cherry; Xanthoxylum ; dead pine ; Crataegus. 



9. Parmelia perforata, (Jacq.) Ach. 



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

 simmon. 



10. Parmelia perl ata, (L.) Ach. 



On oak ; palmetto ; persimmon ; orange ; magnolia ; 

 pear; sassafras; black oak. 



11. Parmelia perl ata, var. ciliata, Ouctt. 



On sassafras. 



12. Parmelia physodes, (L.) Ach. 



Rare. On hickory. 



13. Parmelia tiliacea, (Hoffm.) Floerk. 



Common. On dead cypress ; hickory; crape myrtle; 

 blue gum; oak. 



14. Parmelia 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 meissneri, Tuck. 



Very rare. On Oarpinus. 



21. Pyxine picta, (Sw.) Tuck. 



Abundant. On scrub oak. 



22. Pyxine sorediata, Fr. 



On Ficus; Sabal. 



