98 STATE HORTICULTURAL SOCIETY 



3217. P. ccesia, (Hoffm.) Nyl. 

 Stones and trees. 



1218. P. obscura, (Ehrh.) Nyl. 

 Trees and rocks. 



1219. P. adglutinata, (Floerk.) Nyl. 

 Trees. 



1220. P. aster oides, (Fr.) Nyl. 

 On trees. Infrequent. 



Pyxine, Fr. Tuck. 



1221. P. sorediata, Ff. 

 Rocks and trees. 



PELTIGEREI FAMILY. 



Sticta, (Schreb.) Fr. 



1222. S. pulmonaria, (L.) Ach. 

 Trees. A northern species. 



Peltigera, (Willd., Hoffm.) Fee. 



1223. P. horizontalis, (L.) Hoffm. 



1224. P. polydactyla, (Neck.) Hoffm. 

 Earth along shady hillsides. 



1225. P. pulverulenta, (Tayl.) Nyl. 

 Earth along shady hillsides. 



1226. P. rufescens, (Neck.) Hoffm. 

 Earth along shady hillsides. 



1227. P. canina, (L.) Hoffm. 

 Earth. 



1228. P. canina, (L.) Hoffm., var. spuria, Ach. 

 Clay banks. 



1229. P. canina, (L.) Hoffm., var. sorediata, Schaer. 

 Earth in moist shady places. 



PANNARIEI FAMILY. 



Heppia, Naeg. 



1230. H. despreauxii, (Mont.) Tuck. 

 Calcareous earth. 



