LIST OF MOSSES. 49 



0. CANADENSE, Schy. 



Trees, with tlie preceding. Less commoD. April, May. 



0. LEiocARPUM, Bryol. Europ. 



Trees. Adirondack mountains, Lesqx. Sand Lake. Kare. June. 

 0. HUTCHiNSiiE, Hook. <^ Tayl. 



Granite rocks, mostly on mountains. Frequent. June. 



O. LUDWiGii, Brid, 



Trees on hills and mountains. Common. June. 



0. CRISPUM, Hedw. 



Trees, dead branches on the ground and shaded granite rocks, Lesqx. 



Catskill mountains. James in Pr. Am. Phil. Soc. Sand Lake. 



Hall's station, Gr. W. Clinton. June. 



O. CRispuLUM, Brch. 



Trees. Common. June. 



PTYCHOMITRIUM, Brch, ^ Schp. 

 P. INCURVTM, Schwaegr. 



Rocks. Rockland county, C. F. Austin. 



DRUMMONDIA, Hook, 

 D, clavellata, Hook. 



Trees, on hills and mountains. Common. May, June. 



SCHISTIDIUM, Schp, 



S. APOCARPUM, Hedw. 



Rocks, especially in ravines and along streams. Frequent and va- 

 riable. November - April. 



S. conpertum, Funk. 



Same habitat as the preceding. Common. April. 



GRIM MIA, Ehrh. 

 G. pennsylvanica, Schwaegr. 



Wet rocks on hills and mountains. Common. December- April. 

 G. LEUcopHCEA, Gvev. 



Sandstone rocks. Catskill mountains. James in Pr. Am. Phil. 



Soc. * June. 



G. OVATA, Web. & Mohr. 



Naked, flat rocks, top of Mount Marcy; September, Lesqx. 



Pulvinate or caespitose; leaves lanceolate, pointed, the upper 



ones tapering into a hair point; capsule on a straight pedicel, ex- 



serted, ovate, solid; lid obliquely beaked; teeth of the peristome 



long, split to the middle, dark red; calyptra mitriform, lobate; inflo 



rescence monoecious. 

 G. OLNEYi, Sidliv, 



Rocks. Catskill mountains. (Torrey legit) C. F. Austin. 

 G. donniana, Smith. 



Rocks. Adirondack mountains; rare, Lesqx. 

 [Senate, No. 89.J 1 



