CATALOGUE OF PLANTS. 317 



CLASS 2.-MUSCI. 



Original list in Preliminary Catalogue compiled by C. F. Parker 

 from the collections of the late C. F. Austin ; revised and augmented 

 by E. A. Kau and Elizabeth G. Britton. 



Unless otherwise stated, the specimens were collected and determined 

 by Mr. Austin. 



The following arrangement is based on Lindberghs " Musci Scandi- 

 navici," 1879, and Braithwaite's " British Moss Flora," as far as- 

 published : 



SUB-CLASS 1.-ACROCARPI. 



POLYTBICHACE.E. 



POLYTRIOHUM, L. 

 P. commune, L. 



On the ground in woods and in old sterile fields ; very com- 

 mon. 



P. Ohioense, Een. & Card. (P. formosum, Sull., not Hedw.) 



Bergen : About the roots of trees in damp woods and on flat, 

 shaded rocks. Common in the northern counties. 



P. juniperinum, Willd. 



On the ground in dry, exposed places. Common throughout 

 the State. 



P. strictum, Banks. 



On the ground in saudy pine barrens ; frequent. 



P. piliferum, Schreb. 



Bergen: In old fields (fertile) and on rocks (sterile) near 

 Closter Austin. Middlesex : In sand near South Amboy, and 

 Ocean : Toms Eiver Mrs. Britton. Passaic : On high rocks 

 near Paterson W. A. Stowell. 



P. tenue, Menz. (Pogonatum brevicaule, Beauv.) 

 On banks, roadsides, etc. ; common. 



