i8o Field Columbian Museum — Botany, Vol. i. 



C. gracilis verticillata Fr. 



On earth {Nuttall, 885). 



C. sobolescens Nyl. 



On earth [Nuttall; 839). 



C. papillaria (Ehrh.) Hoffm. 

 On earth {Nuttall, 1068). 



C. delicata (Ehrh.) Fl. 



On top of stump {Ntittall, 1065). 



C. csespiticia (Pers.) Fl. 



On sandstone rocks {Nuttall, 1075). 



C. FURCATA RACEMOSA Floerk. 



Monongaha Co., large patches on ground under chestnuts, at 

 Dille's; Mercer Co., same growth under oaks, near Beaver 

 Spring {Millspaugh) on earth {Nuttall, 1045). 



C. RANGIFERINA (L. ) Hoffm. 



Monongalia Co., on moss, Falling Run {Millspaugh, 1361);. 

 on earth, rocks and rails {Nuttall, 825). 



C. macillenta (Ehrh.) Hoffm. 



On rotten logs {Nuttall, 1070). 



C. pulchella Schwein. 



On dead wood {Nuttall, 838). 



C. CRISTATELLA Tuck. 



Monongalia Co., on an old decayed log. Falling Run {Mills- 

 paugh, 1336). 



LECIDEiE. 



B^OMYCES Pers. 

 B. roseus Pers. 



On ground {Nuttall, 873). 



BIATORA Fr. 

 B. russula (Ach.) Mont. 



On bark of tree {Nuttall, 1046). 



B. varians (Ach.) Tuck. 



On bark of tree {Nuttall, 978). 



B. ulignosa(Schrad.) Fr. 



On rotten stumps {Nuttall, 1054). 



B. fuliginosa Ach. 



On ground {Nuttall, 1089). 



B. Schweinitzii Tuck. 



On Rhododendron maximum {Nuttall, 1052), 



B. rubella (Ehrh.) Rab. 



On mossy trunk of tree {Nuttall, 1029). 



