172 
Bartramia longifolia, Hk. 
Crevices of shady rocks. Common. (Undoubtedly B. pomiformis.) 
Bartramia fontana, Sw. 
On rocks, over which water trickles, Danvers (Russell). 
Bartramia crispa, Sw. (B. pomiformis.) 
Ipswich (Oakes). 
Pterigynandrum intricatum, Hedw. (Pylaisea.) 
On apple trees, etc. Ipswich (Oakes). 
* Leucodon brachypus, Brid. 
Ipswich (Oakes), Tewksbury (Greene). 
Neckera pennata, Hedw. 
Ipswich (Oakes). 
Climacium Americanum, Rich. 
Ipswich (Oakes). 
Leskea compressa, Hedw. 
Ipswich (Russell). (This is probably Cylindrothecium clador- | 
rhizans. ) 
Leskea polycarpa, Zhr. c 
Ipswich (Oakes). 
* Hypnum salebrosum, Hof. 
Salem, common (Russell). 
Hypnum splendens, Hedw. 
Ipswich (Oakes). 
Hypnum Schrepberi, Willd. 
Manchester (Oakes). 
Hypnum catenulatum, Brid. 
Near Marblehead (Russell). (Probably H. adnatum.) 
Hypnum triquetrum, L. 
Ipswich (Russell). 
Hypnum cupressiforme, L. 
Ipswich (Russell). 
* Hypnum serrulatum, Muhl. 
Manchester (Oakes). 
Hypnum imponens, Muhl. 
Ipswich (Russell). 
Hypnum crista-castrensis, ZL. 
Manchester (Oakes). 
Page 114. Hypnum campestre. 
This is only a form of H. velutinum. 
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