Lichenes* 



U S N A C E .C 



RAMALINA Ach. 



R. rigida (Pers.) Tuck. 



On trees, alt. 2,000 ft. {Nuttall, 1060). 



R. calcicaris fastigiata Fr. 



On trees, alt. 2,000 ft. {Niittall, 86g). 



R. miniuscula Nyl. 



On Acer saccharinum, alt. 2,000 ft. i^Nuttall, i6g6). 



CETRARIA Ach. 



C. ciliaris (Ach.) Tuck. 



On Pinns Virginiana, alt. 1,800 ft. {Nut tall, 861). 



C. lacunosa Ach. 



On Finns Virginiana, alt. 1,800 ft. {N'uttall, 1053). 



C. aurescens Tuck. 



On Rhododendron maximum, alt. 1,850 ft. {Nuttall, 1050). 



USNEA Ach. 



U. BARBATA (L. ) Fr. 



Wirt Co., on old trees, common, Burning Springs. Randolph 

 Co., on Rhododendron maximum, common. Cheat Bridge. Mercer 

 Co., on oak twigs, Bluefield; and elsewhere about State, common 

 on trees, rocks and old fence rails {Millspaugh). On trees, alt. 

 2,000 ft. {Nuttall, 819). 



U. BARBATA FLORIDA Fr. 



Mercer Co., on oak chips and twigs among dead leaves at Blue- 

 field {Millspaugh). On trees, alt. 2,000 ft. {Nuttall, 859). 



THELOSCHISTES Norm. 



T. parietinus (Linn.) Norm. 



On Robinia Pseudacacia, alt. 2,000 ft. {Nuttall, 1145). 



T. COncolor (Dicks.) Tuck 



On Robinia Pseudacacia, alt. 2,000 ft. {Nuttall, 1144). 



175 



