LIST OF MOSSES. 43 



S. CTCLOPHTLLTJM, SlilUv. and Lesqx. 



Springs in granite rucks, Mt. Marcy, sterile, Lesqx. 



• S. SQUARR08UM, Pci\s. 



Pent bogs, especially on mountains. Common. July, An: i 

 S. cuspidatum, Ehrh. 



Deep bogs and cranberry marshes. Brequent and very variable. July. 



S. ACUT1FOLIUM, Ehrh. 



Same habitat as the preceding. Also common and variable. July. 



' S. RIGIDTJM, Schp. S. COMPACTUM, Brid. 



Bogs and wet plaees. Gatskill mountains, Adiron lack mountains, 

 Lesqx. 

 S. subsecundum, Nees. S. contortuji, Schultz. 



Deep bogs, Adirondack mountains, July, Lesqx. 



AND It AE A, Ehrh. 



A. petrophila, Ehrh. 



Damp faces of rocks on mountains. Not rare. July. 



A. rupestris, *?um. 



Same habitat as the preceding. Catskill mountains. Abundant a!. out 

 fifty rods north of the Mountain House. Not frequent. Juiy. 



A. CRASSINERVIA, Brcll. 



Humected rocks, top of Whitefaee mountain, August, Lesqx. 



EPHEMEEUM, Hampe. 



E. crassinervium, Schwaegr. » 



Moist grounds in fields, sides of ditches, etc. Not rare. Dec- April.. 



A CAUL ON, Mull. 

 A. muticum, Schreb. 



On the ground. Brooklyn, C. F. Austin. Buffalo, G-. W. Clinton. 



December - April. 



P HAS CUM, L. 

 P. cuspidatum, Schreb. 



Waste fields near -Saratoga; March, Lesqx. 



PLEUBIDIUM, Brid. 



P. ALTERNIFOLIUM, Brid. 



Old fields. Very common. May, June. 



GYMNOSTXMUM, Hedw. 

 G. rupestre, Schivaegr. 



Crevices of steep rocks and overhanging cliffs. Not rare. Sept., Oct. 

 G. curvirostrum, Hedw. 



Wet rocks. Not uncommon. September, October. 



Small forms of this species closely resemble the preceding. Both are 



variable. 



