622 (22) MUSCI. (MOSSES.) 
* * Diccious: stems tomentose: capsule erect, regular. 
2. D. montanum, Hedw. Compactly cespitose; leaves bright-green, 
oe patent, rather secund, crisped when dry, lanceolate-subulate, serrate on the 
margin, and papillose on the back at the apex; costa strong, percurrent ; cap- 
sule oblong, sulcate when dry; annulus double. — On trunks of trees, Goat Isl- 
and, Niagara Falls, Lesquereua. iu. 
13. D. flagellare, Hedw. Near the last species, but distinct by its nu 
merous fragile and short erect flagellx, furnished with minute appressed lanceo- 
late ecostate leaves ; cot pero more falcate-secund ; the cap- 
sule longer and narrower. — On yed logs in woods ; common. 
4. D. a Br. ‘a Sch. Stems 1/-2! high; lea toe 
are falcate, or spreading every way, flexuous, te sais nt from, 
lanceolate base; costa broad, predominant, denticulate at the apex; are 
indrical, annulate, dark brown. — On rocks in mountain districts. — 
harsh, dark-green species, somewhat larger than No. 12 and 13. (Eu.) 
15. D. lon ma, Hedw. Loosely cespitose, pale-green; stems 
elongated, slender, sceaawlonsiling: leaves circinate-secund, very long, fili- 
y attenuated, with a remarkably broad costa, denticulate on the margins 
and the back at the apex; capsule elliptic-cylindrical.— Shaded rocks, Alle- 
ghany Mountains. (Enu.) 
* & * — stems tomentose: capsule incurved-cernuous. 
16. D. scoparium, L. Loosely cxspitose; stems 2'-4!/ high; leaves 
cari 
A ( 
narrower leaves, with a looser areolation, the lower areolx not sinuous, the costa 
ie only near r the point; pedicel pale yellow. — Alleghany Mountains ; 
aril n districts not mountainous, and very common. (Tab. 
iL) (Eu -) 
17. elongatum, Schwegr. Compactly cxspitose ;. stems pire 
4/—5! Sie leaves lanceolate-subulate, entire, erect-patent; capsule gi 
ovate, striate, annulate. — High peaks of the Alleghany Mountains: ae cae 
of rior, Agassi: ) 
18. D. congéstum, Brid. Loosely exspitose; leaves spreading, sub- 
costa strong, excurrent; capsule oval-oblong, much incurved, striated. — 
rocks, in mountainous districts; common. (Eu.) 
19. D. paliistre, Brid. Stems 3/-4! high; leaves spreading, linear- 
lanceolate, undulated, serrate on the margin and also the back at the apex; 
costa slender and yanishing below the = capsule oval-oblong, poem fs in- 
Les- 
curved, striated; annulus none.—In cranberry marshes, Northern 
quereux. (Eu.) 
20. D. Schraderi, Web. & Mohr. Densely tufted; stems 3’-5! long; 
leaves crowded, erect-patent, oblong-lanceolate, ae obtuse, undulatéd, the 
If serrated on the margins and papillose on the back; costa ceasing 
ec ee 
