106 ADDITIONS AND CORRECTIONS. 
where linear-flexuous ; capsule oblong, erect, long-pedicellate ; operculum ros- 
tellate, with’a conic base; annulus narrow, fragmentary ; peristome small; 
base of the capsule; perichztial leaves lanceolate, erect, sheathing, hyaline, 
ecostate. — On rocks and trunks of trees, White Mountains, New Hampshire, 
‘ames. — A small cxspitose species, with thread-like branches, and greenish 
or yellowish lustreless foliage. 
Page 69. 
18%. Hypnum piliferuma, Schreb. ira stems procumbent, 
extended, sania pen ramulose, the branchlets attenuated ; leaves 
bri 
long flexuous nila serrulate above the slender costa, vanishing about 
half-way ; capsule oblong, arcuate, annulate; operculum as long as the cap- 
sule; calyptra large; pedicels rough.— On the ground in dense woods, New 
England to Pennsylvania and Ohio.—A large species, with pale-green and 
shining leaves. 
ERRATA. 
Page 24, last line, for “ oSmundioidos” read “osmundioides.” 
Page 54, 2 11 from bottom, and page 55, line 13, for “D. E. Eaton” read 
“ D. C. Eato 
Page 56, line 12 from bottom, for “ Dychelyma” read “ Dichelyma.” 
