670 
MUSCI. (mosses.) 
§ 1. Stems and branches flat: leaves 2-ranked .— DeplanAta. 
X. II* SJ Ivnticuni, L. Stems tender and fragile; branches 
linear-lanceolate, frondiform, tapering, loose, rooting occasionally at 
their points ; leaves broadly lanceolate, pointed, with narrowly reflexed 
margins resembling a border, decurrent, shining, with two short faint 
nerves at base ; capsule oblong, erect-nodding, striate when dry ; an¬ 
nulus large ; peristome white ; lid elongated-conic, acute. — In loose 
spongy masses, on tussocks in swamps, and crevices of moist rocks. 
2. II. deplanatum, Bruch & Schimper. Resembles No 1, 
but the stems tough and much more divided ; branches obtuse and 
shorter, profusely rooting along their whole length ; leaves slightly 
serrulate ; capsule shorter and more horizontal; lid shorter, and an¬ 
nulus smaller. — Woods, in close thin mats, on roots of trees and 
stones near the ground ; affects shaded dry situations. 
3. II. Silesiaciivn, Beauv. Stems decumbent; leaves lanceo¬ 
late, with an attenuated fltxuous point, serrulate, nerveless or indis¬ 
tinctly 2-nerved at base ; capsule cylindrical, erect-nodding; annulus 
large ; lid hemispherical-conic, apiculate. — Mountainous districts of 
New England. Smaller than No. 1. 
4. II. riparium, L. Stems procumbent, extended, branched; 
branches divided, flaccid ; leaves distantly placed, divergent, ovate-lan¬ 
ceolate, flat, entire, nerved halfway up ; capsule oblong, nodding; lid 
conir, mamillate . — Common on logs in swamps, and stones in rivu¬ 
lets ; very variable in size. 
-H* Sen’ll la twit* Hedw. Stems creeping, irregularly Al* 
vided ; leaves distantly placed, lanceolate, pointed , serrulate, the nerve 
extending beyond the middle; capsule oblong, nodding; annulus 
none; lid conic, long-beaked. — Dry woods, in thin strata, on the 
ground : occasionally condensed, the branches becoming cylindrical. 
§ 2. Stems and branches elongated, flaccid, rather compressed : leaves 
loosely placed : pedicels minutely roughened. — Prjelonga. 
1) II. prael6ngum, L. Stems and branches procumbent, 
loosely entangled, or assurgent and condensed ; branches irregularly 
rather pinnate, the branchlets attenuated ; leaves elongated-ovate, 
pointed, serrulate, nerved to near the apex ; capsule oblong, nodding 5 
lid conic, long-beaked. — Woods, on shaded banks. 
* • II* Ilians, Hedw. Stems prostrate, very much extended? 
vaguely branched ; branches ascending ; leaves spreading, shining, 
ovate-heart-shaped, serrulate, the nerve of uniform size, stopping about 
midway ; lid beaked, as long as the nodding capsule. — Woods, on the 
ground, among decayed leaves and twigs. 
§ 3. Stems procumbent , fasciculately branched, the terete branches tur¬ 
gid : leaves heart-ovate, lurid green. — Alp estria. 
8. II. ruscifdlium, Necker. Stems and branches floating , 
