BOTANY. 291 



COI.LEMA CYRTASPIS Tuck. 



Champaign Co., Mrs. E. J. Spence, Miss H. J. Biddlecome. 



COUEMA FLACCIDUM Ach. 



Champaign Co., Mrs. E. J. Spence. 



COI,LEMA NIGRESCENS ( Huds.) Ach. 



Champaign Co., Mrs. E. J. Spence, Miss H. J. Biddlecome; on bark, Wm. C. 

 Werner. 



COLI.EMA PYCNOCARPUM Nyl. 



Springfield, Miss H. J. Biddlecome. 



COLI.EMA RYSSOI.EUM Tuck. 



Springfield, Miss H. J. Biddlecome. 



COLLEMA TENAX ( Sw.) Ach. 



Springfield, Miss H. J. Biddlecome. 



17. LEPTOGIUM Fr., Nyl. 



Leptogidm i<acerum (Sw.) Fr. 



Springfield, Miss H. J. Biddlecome ; Prospect ( Marion Co.) E. E. Bogue. 



Leptogium myochroum ( Ehrh.) Tuck. 



Springfield, Miss H. ]. Biddlecome ; Orwell (Ashtabula Co.) E. E. Bogue. 



Leptogium myochroum saturninum (Sm.) Schaer. 

 Springfield, Mrs. E. J. Spence. 



Leptogium pulchelmjm (Ach.) Nyl. 

 Common on tree trunks. 



Leptogium tremem,oides (L. fil.) Fr. 



On sandstone rocks, Fairfield Co., Wm. C. Werner. 



18. PLACODIUM (DC.) Naeg. & Hepp. 



Pi,acodium auranTiacum (Lightf.) Naeg. & Hepp. 



Windsor (Ashtabula Co.) E. E. Bogue ; on bark, Painesville, Wm. C. Werner. 



PLACODIUM CAMPTIDIUM Tuck. 



Ohio, Miss H. J. Biddlecome (Tuck. N. A. Lichens). 



Pi<acodium cinnabarina (Sm. f.) Fr. (Biatora cinnabarina Sm. f. Fr.) 

 " On trunks," near Cincinnati, Thos. G. Lea ( Cat.) 



Pi<acodium cerinum ( Hedw.) Naeg. & Hepp. 



Champaign Co., Mrs. E. J. Spence, Miss H. J. Biddlecome; Ashtabula Co., 

 Franklin Co., Marion Co., Fairfield Co., E. E. Bogue. 



