22 



Mycologia 



chaud's collection, twelve being types of new species. Further 

 study will be necessary to establish their identity if that be 

 possible. 



Ctesium album Pers. 

 Ctesium rugosum Pers. 

 Gyrophora perforata Pers. 

 Collema ulvaceum Pers. 

 Collema peltigera Pers. 

 Collema stellare Pers. 

 Physcia fastigiata Pers. 



New York Botanical Garden. 



Lycogala marianna Pers. 

 Sphaeria laguncula Pers. 

 Himantia nodulosa Pers. 

 Porinia tessellata Pers. 

 O phegrapha cymbif ormis 



Floerke 

 Ophegrapha cincta Pers. 



BIBLIOGRAPHY 



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2. Ehrenberg, C. G. Fungos a viro clarissimo Adelberto de Chamisso sub 



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In Nees von Esenbeck, C. G. Horae Physicae Berolinenses Collectae 



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