146 MIDDLESEX FLORA. 



N. complanata, Hueben. 



Waltham (Mrs. S. E. French). 



Leucodon, Schwaegr. 



L. brachypus, Brid. 

 Tewksbury (B. D. Greene). 



Pterigynandrum, Hedw. 



P. filiforme, Hedw. 



Newton (C. E. Faxon). 



TiiELiA, Sulliv. 



T. hirtella, Sulliv. 



Common. 

 T. asprella, Sulliv. 



Common. 



Anomodon, Hook. & Tayl. 



A. rostratus, Schimp. 



Wilmington (H. A. Young) ; Natlck (Miss C. E. Cummings). 

 A. attenuatus, Hueben. 



Chelmsford (Rev. J. L. Russell) ; Waltham (Mrs. S. E. French). 

 A. Obtusifolius, Bruch & Schimp. 



Waltham (Mrs. S. E. French). 



Pylaisia, Bruch & Schimp. 



P. intricata, Bruch & Schimp. 

 Chelmsford (Rev. J. L. Russell) ; Waltham (Mrs. S. E. French) ; 

 Hopkinton (H. A. Young). 



Cylindrothecium, Bruch & Schimp. 



C. cladorrhizans, Schimp. 



Chelmsford (Rev. J. L. Russell) ; Maiden and N. Billerica (H. A. 



Young) ; Waltham (Mrs. S. E. French) ; Newton (C. E. Faxon). 

 C. seductrix, Sulliv. 



Chelmsford (Rev. J. L. Russell) ; Waltham (Mrs. S. E. French) ; 



Hopkinton (H. A. Young). 



Clibiacium, Web. & Mohr. 



C. Americanum, Brid. 

 Common. 



Hypnum, Dill. 



H. scitum, Beauv. 

 Maiden (H. A. Young) . 



