172 



Bartramia longifolia, Bk. 



Crevices of shady rocks. Common. (Undoubtedly B. pomifoi-mis.) 

 Bartramia fontana, Sw. 



On rocks, over which water trickles, Danvers (Russell). 

 Bartramia crispa, Sw. (B. pomlformis.) 



Ipswich (Oakes). 



Pterigynandrum intricatum, Hedw. (Pylais«a.) 

 On apple trees, etc. Ipswich (Oakes). 



* Leucodon tarachypus, Brid. 

 Ipswich (Oakes), Tewksbury (Greene). 



Neekera pennata, Hedw. 

 Ipswich (Oakes). 



Climacium Americanum, Eich. 

 Ipswich (Oakes). 



Leskea compressa, Hedw. 



Ipswich (Russell). (This is probably Cylindrothecium clador- 



rhizans.) 

 Leskea polycarpa, Ehr. 



Ipswich (Oakes). 



* Hypnum saletarosum, Hoff. 

 Salem, common (Russell). 



Hypnum splendeus, Hedw. 



Ipswich (Oakes). 

 Hypnum Selireberi, Willd. 



Manchester (Oakes). 

 Hypnum catenulatum, Brid. 



Near Marblehead (Russell). (Probably H. aduatum.) 

 Hypnum triquetrum, L., 



Ipswich (Russell) 1 

 Hypnum cupressiforme, L. 



Ipswich (Russell). 



* Hypnum serrulatum, Muhl. 

 Manchester (Oakes). 



Hypnum imponens, Muhl. 



Ipswich (Russell). 

 Hypnum crista-castrensis, L. 



Manchester (Oakes). 



Page lU. Hypnum campestre. 

 This Is only a form of H. velutinum. 



