LIST OF MOSSES. 43 



S. CYCLOPHYLLUM, Sulliv. and Lesqx. 



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



S. SQUARROSUM, Pc?S. 



Peat bogs, especially on mountains. Common. July, August 

 S. cuspidatum, Ehrh. 



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

 S. ACUTIFOLIUM, Ehrh. 



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

 S. rigidum, Schp. S. CoatPACTUM, Brid. 



Bogs and wet plaees. Catskill mountains, Adirondack mountains, 



Lesqx. 



S. SUBSECUNDUM, Nces. S. CONTORTUM, Sckultz. 



Deep bogs, Adirondack mountains, Jul}', Lesqx. 

 ANDHAEA, Ehrh. 



A. PETROPHILA, Ehrh. 



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

 A. rupestris, Turn. 



Same habitat as the preceding. Catskill mountains. Abundant about 



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



A. crassinervia, Brch. 



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



• EPHEMERUM, Hampe. 



E. crassinervium, Schwaegr. 



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



ACAULON, Mull. 

 A. MUTICTJM, Sckreb. 



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



December- April. 



PII ASCII M, L. 

 P. cuspidatum, Schrcb. 



Waste fields near Saratoga; March, Lesqx. 



PLEURIDIUM, Brid. 

 P. alternifoliu.m, Brid. 



Old fields. Very common. May, June. 



GYMNOSTIMUM, 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. 



