- 43 - 
23. Sticta pulmonaria (L ) Ach. Common on the base of oaks near the 
summit. Sterile. 
24. Peltigera canina (L) Hoffm. b. spongiosa Tuckerm. One specimen 
on rocks. 1500 ft. elevation. Sterile. 
25. Lecanora pallida (Schreb. ) Schser. On oaks at the summit. 
26. Lecanora subfusca (L. ) Ach. Common on deciduous trees. 
27. Lecanora pallescens (L.) Schser. On a fallen log. 1800 ft. 
28. Pertusaria velata (Turn.) Nyl. On oaks near the summit. 
29. Stereocaulon paschale (L.) Fr. On stone wall. Sterile. 
30. Stereocaulon (tomentosum ?) (Fr. ) Th. Fr. On earth on ledges at 
summit. Sterile. 
31. Cladonia cenotea (Ach.) Schser. b. furcellata Fr. Found among 
moss near brook. About 1200 ft. elevation. 
32. Cladonia uncialis (L.) Fr. obtusata (Ach.) Found sparingly about 
1600 ft. 
33. Cladonia gracilis (L.) Nyl. dilacerata Floerk. On rocks about 
1200 ft. 
34. Cladonia furcata (Huds.) Fr. Common on ground about 1500 ft. 
35. Cladonia rangiferina (L.) Hoffm. b. sylvatica L. Common on 
ground nearly to the summit. 
36. Cladonia cristatella Tuckerm. Common on fallen logs. 
37. Lecidea enteroleuca Fr. Common on deciduous trees. 
38. Graphis scripta Ach, On oak trees near summit. 
Specimens which were observed, as Physcia stellaris , for example, are 
not enumerated, only those actually collected. The Cladonias in the above 
list were determined through the kindness of Mr. G. K. Merrill. The speci- 
mens are for the most part in my own Herbarium. Concord, Mass. 
A LIST OF FOLIACEOUS AND FRUT1COUS LICHENS. 
Collected at Chilson Lake, Essex Co., New York. Altitude 1200 ft. 
By Carolyn W. Harris. 
Ramalina calicaris (L. ) Fr. 
“ “ var. fraxinea Fr. 
“ “ “ FASTIGIATA Fr. 
“ “ “ . CANALicui.ATA Fr. On trees, both evergreen 
and deciduous. 
Ramalina calicaris var. farinacea Schser. Found on rocks, especially 
rocky cliffs with a northern exposure. 
Ramalina pollinaria (Ach.) Tuckerm. Found on dead trees and on 
rocks. 
Ramalina rigida (Pers.) Tuckerm. On trees. 
Cetraria Islandica (L.) Ach. On the earth, rare. 
“ ctliaris (Ach.) Tuckerm. Very common, especially on dead 
evergreens. 
