LIST OF MOSSES. 57 



MYURELLA, Schp. 



M. CAREYANA, SlllIlV. 



Rocks and crevices mostly on mountains. Helderberg mountains. 

 Greenbush. Chittenango, G. W. Clinton. Shawangunk moun- 

 tains, C. F. Austin. Rare. Sterile. 



It assumes two modes of growth; one, prostrate, forming thin 

 mats; the other, upright and compact. 



PYLAISAEA, Schp. 



P. SUBDENTICULATA, Schp. 



Base of trees, usually white oak, in dryish woods. Helderberg 

 mountains; Albany, C. F. Austin. Rare. November. 



P. INTRICATA, HedlO. 



Trees in open woods, sometimes in old orchards. Frequent. 



November - March. 

 P. velutina, Schp. 



Trees, mostly in mountain woods. Sand Lake. Catskill mountains. 

 Rockland county, C. F. Austin. October, November. 



HOMALOTHECIUM, Schp. 



H. SUBCAPILLATUM, Schp. 



Trees. Common but not abundant. November, December. 



PLATYGYRIUM, Schp. 

 P. repens, Brid. 



Decaying wood, old logs, rails, stumps. Common. Nov., Dec. 



CYLINDROTHECIUM, Schp. 



C. CLADORRHIZANS, Hedw. 



Old logs in woods, rarely on stones. Common. Nov., Dec. 



C. seductrix, Hedio. 



Roots of trees, stones and ground. Frequent. Nov., Dec. 



C. BREVISETUM, Schp. 



On leaning trunks, Shawangunk mountains, C. F. Austin. Not 

 common. November, December. 



NECKERA, Hedw. 

 N. pennata, Hedio. 



Trees in woods. Frequent. November - April. 



N. COMPLANATA, L. 



Rocks, Catskill mountains, T. P. James. Very rare. Sterile. 



HOMALIA, Brid. 

 H. jamesii, Schp. 



Catskill mountains, growing with N. complanata; T. P. James. 



CLIMACIUM, Web. & Mohr. 

 C. americanum, Brid. 



Moist ground and rotten wood in fields and in woods. Common but 

 seldom found in fruit. November. 



[Senate, No. 89.] 8 



