LICIIKNS OF IOWA. 8l 



R. sopiiODES (.Ir//. I .Vi7. (jranilic rocks. Fayette. Johnson. 



R. sopiiODEs (Ar/i.) A'v/.. rar. icxku'a Frees. Old boards. 

 Fayette. 



R. BiscHO'^'Fii {^Hepp.\ Kocrh. Calcareous rocks. Fa3-ette. 

 PERTUSARIA DC. 



P. VEFATA i^Tuni.) Ayi. Trees. Fayette, Bremer, Clay- 

 ton. Winneshiek, Shelby, Johnson, Linn, Stor\-. 



P. MULTiPUNJTA (^liirii.) ^^yl. Tre23. Fa3-ette, Bremer, 

 Johnson. Linn. Story. 



P. AMBiGEXS [J^'yl.) Tuck. Trees. Fayette. 



P. COMMUNIS DC. Trees. Fayette. 



P. LEiopi.ACA {^Ach.^ ScJuer. Trees. Fayette. Spores 

 smaller than those of P. couiniiinis and four in each ascus, 

 a character denied to P. coimuioiis by Crombie. 



P. PUSTULATA [Ac/i.) ^'yl. Trees. Fa3-ette, Linn. Flovd. 



GYALECTA {Ac/i.) Anz. 

 G. EUTEA \ Dicks.'] Tuck. Trees. Favette. 

 URCEOLARIA. 



U. scRUPOSA (Z. ) Aj7. Sandstone. Clavton. 



U. scRUPOSA [L.] Ayi., zar. (jvpsacea J\yi. Calcareous 

 eartli. Favette. 



U. ACTiNOSTOMA Pos. Granitic rocks. Favette. 

 CLADONIEI. 

 CLADONIA Ilofm. 

 C. svMPHVCARPA Fr. Earth. Favette. 



