LIST OP MOSSES. 



SCAPANIA, Lindbg. 

 S. nemorosa, Nees. 



Ground, rotten wood, rocks, in wet or dry places, mountain and 

 plain. Frequent. Rocks, Catskill mountains, fertile. June. 



PLAGIOCHILA, Nees & Mont. 



P. spinulosa, Nees & Mont. 



Rocks, High Peak, Catskill mountains. Rare. 

 P. asplenoides, Nees & Mont. 



Rocks and banks along rivulets. Frequent and variable. 

 P. porelloides, Lindbg. 



Roots of trees in swamps; common, C. F. Austin. 



SARCOSCYPHUS, Corda. 



S. EHRHARTI, Corda. 



Rocks in rivulets, Catskill mountains. Shawangunk mountains, 

 near Greenville, C. F. Austin. 



FRULLANIA, Raddi. 



F. GRATANA, Mont. 



Rocks and trees. Frequent. Abundant in swamps on balsam and 



tamarack trees where it is fertile. 

 F. hIjtchinsi^, Nees. 



Rocks in rivulets, near Greenville, Orange county, C. F. Austin. 

 F. virginica, Gottsche. 



Trees and rocks. Common. 

 F. eboracensis, Gottsche. 



Trees and rocks. Frequent. 



LEJUNIA, Libert. 

 L. serptllifolia, Libert. 



Rocks and trees in mountainous districts. Catskill mountains. 

 L. calcarea, Libert. 



Stones and roots of trees, Orange county, C. F. Austin. 



MADOTHECA, Dumort. 



M. PLATYPHTLLA, Dumort. 



Rocks and trees. Frequent and variable. 

 M. porella, Nees. 



Sticks and stones in streams. Sand Lake. Sterile. 



RADULA, Nees. 

 R. complanata, Dumort. 



Rocks and roots of trees. Very frequent and commonly fertile. 



PTILIDIUM, Nees. 

 P. ciliare, Nees. 



Old logs and ground in woods; mountain and plain. Very common 

 and variable. 



A large, erect, sterile form is found on the ground on high moun- 

 tains. 



