LICIIKNS OF IOWA. 83 



C. iTLCiiEi.i.A Sclizjc/ii. Old Stumps. Johnson. 



C. cRisTATELi.A TiK'k. Old log's. FaN'ette. Winneshiek. 

 Bremer. Clavton. Johnson. Story. Linn. 



Fam. LECIDEEI. 



BIATORA Fr. 



B. RUssELi.ii Tuck. Calcareous rocks. Fayette, Clayton, 

 Bremer, Winneshiek. 



B. DECiPiENS ( Elirh. I Fr. Calcareous earth. Fayette, Win- 

 neshiek. Bremer. ])ickinson. 



B. (JRAXULOSA [F/ir/i. ) Poehch. Sand}- soil. Clayton. 



B. PEEiASPis Tuck. Trees. Fayette. 



13. MYRiocARPOiDEs {J\\L ] Ttick. Old boards. Fayette, 

 Floyd. 



B. VARiANS {^[ck.) Trees. Fayette, Winneshiek. 



B. iivPNOPiiiLA ( Turn.) Mosses. Fa^-ette. Bremer. Clav- 

 ton. Winneshiek. 



15. TRACiioNA F/ot. Granitic rocks. Favette. 



B. RUBELLA [F/ir/i.] Rahciili. Trees. Fayette. Bremer. 

 Clavton. Shelbv. Johnson. Linn. Winneshiek, Story. 



B. Fusco-RUBELLA {^Iloffju. ]. Trecs. Fayette. Brem.er. Clay- 

 ton, Winneshiek, Johnson, Linn. Dickinson. 



B. suE^FUSA Fr. Trees. Favette, Winneshiek, Bremer, Chu'- 

 ton, Flovd. 



B. ATROfiRisEA \DcJi>.\ IIcpp. Trecs. Favette. 



B. sciiWEiMTZii Fr. Trees. Favette. Bremer. Winneshiek. 



B. INUNDATA Tr. Wet or inundated rocks. Fayette. Bre- 

 mer, Clayton. Johnson. 



B. EFFLSA [Sni.) IIcpp. Trees. Favette, 



