LICHENES. 239 



L. ventosa, Fr. Rocks in mountains. 



Rinodia oreina, Ach. Rocks. 



R. sophodes, Ach. ; trunks and dead wood.— yar. con- 



fragosa, Nyl. ; rocks.— var. exigua, Nyl. ; smootli 



bark. 

 R. ascociscana, Tuck. Trees and rocks. 

 R. constans, Nyl. Pine bark. 

 Pertusaria pertusa, Ach. ; trimks. — var. areohita. Fr. ; 



trunks. 

 p. multipuncta, Nyk Trees. 

 P. Wulfenii, DC. Trunks. 

 p. vehita, Nvk Trunks and dead woocL 

 P. pustulata. Ach. Trunks. 

 P. globularis. Ach. On mosses. 

 Conotrema lU'ceoLata, Tuck. Trunks. 

 Gyalecta cupuhiris. Schajr. Limerocks. 

 G. kitea, Dicks. Bark of trees. 

 G. pineti, Fr. Earth. 



Urceolaria scruposa, Sommerf. Rocks and trunks. 

 Thelotrema subtile, Tuck. Trunks. 

 T. lepadinum. Ach. Trunks. 

 Stereocaulon tomentosum, Fr. Rocks and stones. 

 S. paschale, Laur. Rocks and stones. 

 S. corallinum, Fr. Rocks and stones. 

 Cladonia turgida, Hoftm. Earth. 



C. pyxidata, Fr. ; earth. — var. ctespiticea, Flocrk. ; trunks. 

 C. gracilis, var. verticillata, Fr. ; earth. — var. elongata. 



Fr. ; earth. 

 C. fimbriata, Fr. Earth. 

 C. squamosa, Hoftm. Base of trees. 

 C. furcata, FlcErk. Earth. 



C. rangiferina, Hoftm. ; earth.- — var. alpestris, Fr. ; earth. 

 C. uncialis, Fr. Earth. 

 C. cornucopioides, Fr. Earth. 



