108 ON NEW MOSSES. 



ARCTOA, Rr. and Sch. 



A. FULVELLA, Br. and Sch. 



Hal. Moist situations on Mount Washington, New Hampshire. 



The capsules of this species become more or less plaited or ribbed in age, yet simply a 

 variety. 



TREMATODON, Rich. 



T. AMBIGUCS, Nees and Hsch. 



llab. Damp, clay soil, New England and Pennsylvania. 



The species T. longicollis, Miclix., is found in the Southern States, but T. ambiguus is 

 believed to be exclusively Northern. 



DICRANUM, Hedw. 



D. VIRENS, Hedw. Var. Wahlenbergii, Br. and Sch. 



Hab. Near Ellis River, Pinkham Notch, New Hampshire, and Allegheny Mountains, Pennsylvania. 



D. SCHBEBERI, Hedw. 



Hab. On the surface of a broad stone in a swamp near Lancaster, Pennsylvania; rare. 



D. PELLUCJDUM, Hedw. var. ? 



Hab. Brattleboro, Vermont, G. C. Frost. 



D. CERVICULATDM, Hedw. 



Hab. Roadsides, at Pinkham Notch, New Hampshire, growing intermingled with D. subulatum, Hedw. 



D. SUBULATUM, Hedw. var. 

 Hab. Same locality. 



A variety, with longer capsules and open leaves, found growing with the normal form. 



D. MONTANUM, Redw. 



Hab. " Glen, " White Mountains, New Hampshire, and Andover, Massachusetts. 



D. LONOIFOLIUM, Hedw. 



Hab. On rocks, not uncommon, at the White Mountains, New Hampshire. 



D. FUSCESCENS, Smith. Var. robustum. 

 llab. Mount Washington, New Hampshire. 



D. SPURIUM, Hedw. 



Hab. Catskill Mountains, New York, and White Mountains, New Hampshire, and Batsto, New Jersey. 



Var. CONDENSATUM, Hedw. 



Hal. Santee Canal, S. C., Ravenel, and North Carolina, Dt: Curtis. 



Var. ALBIDUM, Schimp. 



Hab. On sandy soil, Florida, Daniel B. Smith. 



