— 5 o - 
Parmelia conspersa (Ehrh. ) Ach. Very abundant on trees and rocks. 
Physcia speciosa (Wulf. , Ach.) Nyl. On rocks with moss. 
“ AQUILA (Ach.) Nyl. 
“ var. detonsa Tuckerm. Found on trees and rocks. 
“ pulverulenta (Schreb.) Nyl. 
“ var. leucoleiptes Tuckerm. On trees and rocks. 
stellaris (L.) Tuckerm. Found on trees and fence rails. 
“ var aipolia Nyl. On granite rocks. 
tribacia (Ach.) Tuckerm. On trees and granite rocks. 
hispida (Schreb., Fr.) Tuckerm. On dead wood. 
OBscuRA(Ehrh.)Nyl. Found on living trees, dead wood, and rocks. 
Physcia setosa (Ach.) Nyl. On rocks among mosses. 
adglutinata (Floerk.) Nyl. Collected on shrubs. 
Pxyine sorediata Fr. On granite rocks. 
Umbilicaria muhlenbergii (Ach.) Tuckerm. Found on rocks. 
vellea (L.) Nyl. On damp rocks. 
Dillenii Tuckerm. On granitic rocks. 
Pennsylvanica Hoffm. On granite rocks. 
pustulata (L.) Hoffm. 
“ var. papulosa Tuckerm. Found on rocks. 
Sticta amplissima (Scop.) Mass. On rocks, very common. 
“ pulmonaria (L.) Ach. On trees and rocks. 
“ crocata (L.) Ach. Rocks among mosses. 
“ scrobiculata (Scop.) Ach. On rocks with mosses. 
Nephroma tomentosum (Hoffm.) Koerb. On mossy rocks. 
Helveticum Ach. On mossy rocks. 
“ l^evigatum Ach. Found on rocks. 
“ “ var. parile Nyl. On mossy rocks. 
Peltigera aphthosa (L.) Hoffm. On damp earth. 
horizontalis (L.) Hoffm. On damp rocks. 
polydactyla (Neck. ) Hoffm. Found on rocks and earth. 
pulverulenta (Tayl. ) Nyl. On rocks. 
rufescens (Neck.) Hoffm. On rocks and earth. 
canina (L.) Hoffm. On rocks and earth. 
“ var. spongiosa Tuckerm. Among mosses. 
“ “ sorediata Schser. 
Solorina saccata (L.) Ach. On calcareous earth. 
Pannaria lanuginosa (Ach.) Koerb. On rocks with moss. 
“ rubiginosa (Thunb.) Delis. Found on trees. 
“ brunnea (Sw. ) Mass. On earth. 
“ microphylla (Sw. ) Delis. On rocks. 
“ molybd^e a (Pers. ) Tuckerm. 
. “ “ var. cronia Nyl. On mossy earth. 
“ leucosticta Tuckerm. On granite rocks. 
Collema flaccid um Ach. On granite rock. 
“ nigrescens (Huds.) Ach. On dead wood. 
