116 ON NEW MOSSES. 



H. DIMORPHUM, Brid. 



Hob. Shaded situations, Glen Ellis, White Mountains, New Hampshire. 



H. CONFERVOIDES, Schwceg. 



Sab. Near Lebanon Springs, New York, and Lancaster County, Pennsylvania. 



H. SPRUCEI, Bruch. 



Hob. Goat Island, Falls Niagara, New York. 



H. AMERICANUM, Schp. f 

 Hob. Cambridge, Massachusetts. 



A species having the areolation of H. curvipes, Br. and Sell., but with longer seta and 

 longer operculum. Doubtfully H. Americanum. 



H. 1RRIGTJUM ? Br. and Sch. 



Hob. Trenton Falls, New York, and Cambridge, Massachusetts. And Var. merging into H. fluviatile, from 

 Sulphur Springs, Virginia. 



H. RIPARIUM, Sedw. Var. Of a remarkably slender form. 

 Hob. In a spring, Bartram's, Philadelphia, Pennsylvania. 



H. LESCURII, Sulliv. 



Hob. Lancaster and Philadelphia Counties, Pennsylvania. 



H. MUHLENBECKII, Br. and Sch. 



Hal. Common near Philadelphia, Pennsylvania, and the White Mountains, New Hampshire. 



H. DENTICDLATUM, Linn. 



Hob. Similar localities. 



H. PULCHELLUM, Hedw. 



Hab. " Glen," White Mountains, New Hampshire. 



H. FULVUM, Hook, and Wils. 



Hab. Batsto, New Jersey. Considered a Southern species. 



H. ELEGANS, Hook. 



Hab. Near "Glen House," White Mountains, New Hampshire. 



H. KOESEANUM, Hmpe. 



Hab. Gorham, New Hampshire, and about Philadelphia, Pennsylvania. 



This species resembles H. Sullivantiae, Schp. It diifers in being of smaller size, and 

 leaves with a narrower areolation. 



