114 ON NEW MOSSES. 



PTERIGYNANDEUM, lie, /IP. 



P. FILIFORME, Hedw. 



Sab. On trunks of trees, Crawford Notch, New Hampshire. 



i 



NECKERA, Hedw. 

 N. OLIGOCARPA ? Br. and Sch. 

 Sab. Under surfaces of horizontal rocks and in shaded situations, White Mountains, New Hampshire. 



Our plant has a different aspect from European species. It has shorter capsules, inflated 

 under the operculum, and somewhat top-shaped. Better specimens will probably prove 

 it a new species. 



N. UNDULATA, Hedw. 



Sab. Florida, D. B. Smith. 



HOMALIA, Bryol. Europ. 

 H. JAMESIANA, W. P. Sch. 

 Hal. Catskill Mountains and the White Mountains of New England. Not uncommon. 



Mr. W. P. Schimper remarks, after his diagnosis of O. trichomanoides, in a note : " Obs. 

 Speciem proximam paulo minorem, foliis longioribus, solidioribus, subfalcato-ligulatis, 

 sicitate longitudinaliter striolatis, operculi rostro et peristomio brevioribus, clar. T. P. 

 James; in montibus Albis Amer. Sept. legit et misit; nomen H. Jamesii in honorem 

 detectoris ei imposui." 



HYPNUM, Linn. 

 H. ABIETINUM, Linn. 

 Bab. Catskill Mountains, New York. 



H. BLANDOWII, Web. and Mohr. 

 Hob. Wisconsin, 7. A. Lapham. 



H. PALUDOSUM, Sulliv. 



Sab. Marshes, New Jersey, and near Philadelphia, Pennsylvania. 



H. SQUARROSUM, Linn. 



Sab. Mount Willard, Crawford Notch, White Mountains, New Hampshire. 



H. PILIFERUM, Schreb. 



Hob. Near the Wissahickon, 1852. 



H. DEPHESSUM, Bruch. 



Sab. On moist ground, near the Schuylkill, Philadelphia, Pennsylvania. 



This species was detected in 1853, and reported in the " Enumeration" in Proceed. 

 Acad. Nat. Sci., and, from further investigation, its verity is reaffirmed. 



