140 



Tribe BTJXBAXTM:IE.^?E. 



Diphyscium foliosum, Web. & Mohr. 

 Hill, near Cliebacco pond; Danvers (J. H. Sears). Rare. 



Tribe FOLYTRICHK^aE. 



Atrichum angustatum, Seam. 

 Moist places. Common. 



Polytrichum commune, L. 



Moist places. Very common. 

 Polytrichum piliferum, Schreb. 



Salem, etc. Frequent. 

 Polytrichum juniperinum, Hedw. 



Salem Neck. 



Tribe BRYE!^. 



Aulacomnion palustre, Schwcegr. 



Moist banks. Frequent. 

 Var. rupestre (memo. C. F. Austin). 



Swampscott. 

 Aulacomnion androgynum, Schwcegr. 



Prospect hill, Peabody, the form with pseudopodia only. Eare. 

 Aulacomnion heterostichum, Br. & Sch. 



Swampscott, Chebacco. 



Bryum nutans, Schreb. 



Wenham, Middleton (Rev. E. C. BoUes). 

 Brsnim pseudo-triquefrum, Schwmgr. 



Boxford. 

 Bryum bimum, Schreb. 



Middleton. 

 Bryum intermedium, Brid. 



A specimen collected in Swampscott was marked by Mr. Austin, as 



a variety of this species. 

 Bryum caespiticium, L. 



Common on moist soil. 



Mnium afllne, Bland. 



Boxford. 

 Mnium hornum, JSedw. 



Essex county (Rev. E. C. Bolles). 

 Mnium punctatum, JXedw. 



Danvers, Boxford. 

 Mnium cuspidatum, Hedw. 



Peabody, Boxford, Danvers, Beverly. 



