14 NEW YORK STATE MUSEUM 



Essex county 



The following list of lichens represent the recent collections in 



the vicinity of Newcomb, and the determinations of them by G. K. 



Merrill : 



Tryletelium virens Tuckerm. 

 Conotrema urceolatum (Ach.) Tuckerm. 

 Graphis scripta (L.) Ach. 

 Baeomyces roseus Pers. 

 Cladonia cristatella Tuckerm. 



incrassata Merrill 

 deformis extensa (Hoffm.) Wain, 

 fimbriata simplex (Weis.) Flk. 

 gracilis dilatata (Hoflfm.) Wain, 

 m u 1 1 i f o r m i a Merrill 

 ochrochlora ceratodes Flk. 

 pyxidata (L.) Hoflfm. 



choraphana (Spreng.) Flk. 

 neglect a (Flk.) Mass. 

 rangiferina (L.) Web. 

 squamosa ( Scop. ) Hoflfm. 

 sylvatica (L.) Hoffm. 

 Stereocaulon pascale (L.) Fr. 

 Gyrophora Dillenii (Tuckerm.) Mull. 

 Sticta amplissima (Scop.) Mass. 



pulmonaria (L.) Ach. 

 Nephroma helveticum Ach. 

 Peltigera aphthosa (L.) Hoflfm. 



canina membranacea Ach. 

 Pertusaria leioplaca (Ach.) Schaer. 



multipuncta (Turn.) Xyl. 

 Lecanora allophana Ach. 



pallida (Schaer.) Rabenh. 

 subfusca (L.) Ach. 



parisiensis Nyl. 

 varia (Ehrh.) Ach. 

 Nephromopsis ciliaris (Ach.) Hue 

 Cetraria lacunosa Ach. 

 p i n a s t r i Fr. 

 saepinicola (Ehrh.) Ach. 

 Parmelia conspersa (Ehrh.) Ach. 

 o 1 i V a c e a Ach. 

 physodes (L.) Ach. 

 saxatilis (L.) Ach. 

 sulcata Tayl. 

 subaurifera Nyl. 

 t i 1 i a c e a Ach. 

 Everina furfuracea (L.) Mann. 

 Ramalina calicaris (L.) Fr. 



subfastigiata Nyl. 

 U s n e a b a r b a t a ( L. ) Fr. 

 1 o n g i s s i m a Ach. 

 Buellia disciformis (Fr.) Mudd. 

 penobscotensis Merrill 

 Physcia obscura virella ( Ach. ) Leight. 

 stellaris (L.) Xyl. 



FruUania Selwyniana Pearson 

 On the bark of standing arbor vitae (Thuja occidentalis 

 L.), Newcomb, H. D. House, June 6. 1922. Of frequent occurrence 



