LIST OF MOSSES. . 45 



D. interruptum, Bryol. Europ. 



Rocks, rarely on decaying wood, in hill and mountain woods. Com. 



August. 



D. longipolium, Hediv. 



Trees in mountain woods. Sand Lake. Rocks ; Adirondack moun- 

 tains, Lesqx. August, September. 



D. SCOPARIUM, L. 



Ground, rotten logs, rocks ; base of Adirondack mountains, Lesqx. 



var. pallidum, Mall. 



On the ground, rotten logs, rocks. Very common and variable. 



July- September. 

 D. elongatum, Schwaegr. 



Fissures of humected rock, top of Mt. Marcy ; August, Lesqx. 

 D. CONGESTUM, Brid. 



Decayed wood, sometimes on rocks, in mountain woods. Abundant 



on the Catskill and the Adirondack mountains. > 

 D. schraderi, Schwaegr. 



Bogs and boggy places in mountains ; Catskill and Adirondack moun- 

 tains; August, Lesqx. 



Shawangunk mountains, C. F. Austin. 

 D. spurium, Hedw. 



Sandy ground ; Saratoga; July, Lesqx. 



Catskill mountains, T. P. James, in Proceed, Am. Phil. Soc, 1864. 



D. UNDULATUM, Tlim. 



On ground wet or dry in woods, sometimes on rocks; mountain and plain. 

 Frequent. July. 



D. DRUMMONDI, C. Midi, 



On the ground on mountains. Abundant under small pine trees on 

 the Catskill mountains, between the Mountain House and the lake. 

 Rare. Jnly. 



ARCTOA, Brch. 4- Scltp. 

 A. fulvella, Bryol. Europ. 



Fissures of humected rock, Mt. Marcy; July, Lesqx. 



CAMPYLOPUS, Brid. 

 C. viridis, Sulliv. fy Lesqx. 



Roots of trees, decayed logs, etc., in woods. Not rare. Sterile. 



TREMATODON, Rich. 

 T. ambigtjus, Hedw. 



On the ground by roadsides. Sand Lake. Rare. July. 



This is now regarded as a northern species, and T. longicollis as a 

 southern one. The latter probably does not occur within our limits. 



LEUCOBRYUM, Hampe. 

 L. glaucum, L. 



On the ground in woods, most often on knolls near swamps or water 



holes. Common. December. 



