62 NINETEENTH ANNUAL REPORT ON THE STATE CABINET. 



H. curvipolium, Hedw. 



Wet ground in fields and by roadsides, old logs in woods, some- 

 times on rocks. Frequent and variable. June. 



H. HALDANIANUM, GreV. 



Ground and old logs in woods. Common and variable. Nov. - April. 



H. PRATENSE, Koch. 



Bogs around Lake Geoi'ge and Lake Champlain, sterile, Lesqx. 

 H. rugosum, Ehrh. 



Exposed places on rocks. Goat Island, Lesqx. Whirlpool wood, 



G.W.Clinton. "Sun-set Rock," Catskill mountains. Rare. Sterile. 

 H. nitens, Schreb. 



Peat bogs near Port Kent, Lesqx. Bergen swamp, G. W. Clinton. 



Fort Edward, E. C. Howe. May, June. 



H. SALEBROSUM, Hoffltl. 



Decaying wood and sticks in pine and hemlock woods on moun- 

 tains. Helderberg mountains. Catskill mountains. Scarce. 



November - April. 



H. l^etum, Brid. 



Ground, banks, rocks, old logs in woods, roots of trees. Abundant 

 everywhere. November, April. 



H. acuminatum, Beauv. 



Roots of trees and thin soil on rocks. Saratoga and Catskill moun- 

 tains, Lesqx. Portage and Chittenango, G. W. Clinton. 



November - April. 



H. RUTABULUM, L. 



Moist ground in woods and ravines. Common and variable. 



November - April. 



H. plumo'sum, L. 



Rocks along mountain streams. Common. November -April. 



H. populeum, Hedw. 



Ground in pine woods, Catskill mountains; also near Lake George, 

 May, Lesqx. 



H. velutinum, L. 



Ground in pine and hemlock woods. Sand Lake and Helderberg 

 mountains. Not common. March. 



Stems creeping, closely entangled, irregularly pinnately branched, 

 branches more or less contorted and curved at the apex; leaves 

 loosely imbricating, spreading, subfalcate, lanceolate long acumi- 

 nate, or gradually tapering from the base to the apex, the whole 

 margin serrulate, distinctly costate beyond the middle; capsule 

 oval-oblong, horizontal-incurved; operculum broad, short-conic; pe- 

 dicel short, 5" — 8 ,; long, papillose. Forms thin mats on the ground 

 in thick woods. Foliage deep green, sometimes with a yellowish 

 tinge. 



H. reflexum, Web. & Mohr. 



Stones in deep woods; slopes of Mount Marcy; August, Lesqx. 



