l8o NEW YORK STATE MUSEUM 



THALLOPHYTA 

 LICHEIVS AND FUJVGI 



USNEACEAE 



Ramalina calicaris (Z.) Fr. 



Trees and shrubs; occasionally on rocks The varieties mentioned 

 below are found in North Elba. 



R. calicaris fraxinea Fr. 

 R. calicaris fastigiata Fr. 

 R. calicaris canaliculata Fr, 

 R. calicaris farinacea Schacr. 



The last variety grows on rocks. It is generally sterile, but easily 

 recognized by its white powdery soredia. Pulpit rock and rocks in the 

 eastern part of the town. 



Cetraria Islandica {L.) Ach. 



Iceland moss 



Heathy or mossy ground in cold or elevated places. Top of Mt 

 Mclntyre and in Indian pass, 



Cetraria ciliaris Ach. 



Fences, trunks and branches of trees. Very common. A small 

 brown form is abundant on the branches of the tamarack, balsam fir and 

 spruce. It may be distinguished from the next following species by the 

 crenate margin of the apoihecia and specially by the black fibrils of the 

 lower surface of the thallus. 



Cetraria lacunosa Ach. 

 Fences and trunks of trees. Common. 



Cetraria Oakesiana Tuckm. 



Trees and sometimes on rocks. Common on balsam fir but often 

 sterile. Fertile specimens were collected near Freemans Home. 



Cetraria juniperina Pinastri Ach. 



Trees, shrubs and rocks. Rare. Near Lake Placid. Atkinson. 

 Tamarack trees near Hidden swamp. A pretty yellow lichen but com- 

 monly sterile. 



