671 
MUSCI. (MOSSES.) 
elongated ; haves occasionally somewliat 2-ranked, spreading, loosely 
imbricated, concave, acute , serrulate , the nerve vanishing below the 
apex, capsule ovate, oblique, nodding; lid long-beaked .— Mountain 
streams, frequent. 
II. mdlle, Dickson. Branches almost erect ; leaves concave, 
obtuse, entire, indistinctly 2-nerved at the base; capsule short-ovate, 
nodding ; lid conic , obtuse. —Alpine rivulets, New England. 
§ 4. Branches terete, plumose : pedicels smooth or rough. — Plum5sa. 
10. II. pseildo-plunidsilin, Bridel. Stems variously 
branched ; leaves erect-spreading, imbricated, ovate-lanceolate, entire , 
not striate , the nerve reaching to the middle; capsule ovate, oblique ; 
lid conic, acute; pedicel muricate-roughened above. — Rocky ravines, 
in mountainous districts. 
11- II. popaleum, Hedvv. Near No. 10; leaves ovate, ovate- 
lanceolate, pointed, serrulate , heart-shaped at the base, striate , the nerve 
rather excurrent; capsule rotund-ovate. — On the ground and on 
rocks, Alleghany Mountains. 
12 II. riitilbllllllll, L. Stems vaguely branched; leaves 
ovate, pointed, concave, serrulate, nerved halfway up; capsule ovate , 
gibbous, oblique, annulate ; lid conic ; pedicel densely muricate-rough¬ 
ened its whole length. — Larger than Nos. 10 and 11, affecting wet and 
springy places. 
or as- 
orate, 
13. II. salcbrosnm, Hoffmann. Stems procumbent 
cending, variously branched ; leaves entire or slightly serrulate, 
long-pointed, with a broad and concave rather heart-shaped base , more 
or less striate, the margins often reflexed; nerve extending beyond 
the middle ; capsule oblong , nodding ; lid conic, acute ; pedicel entirely 
smooth. —On the ground, decayed logs,&c.; common and very variable. 
§ 5. Stems elongated, flaccid; the branches turgid, terete: leaves densely 
imbricated , obtuse : pedicels smooth. — Illecebra. 
14- II. B6scii, Schwaegr. Stems rather fasciculate ly branched; 
branches elongated, obtuse ; leaves densely imbricated, ovate, apiculate, 
concave, serrulate, slightly auricled at the base; nerve running two 
thirds the length ; lid conic, beaked . — Rocky banks, in hilly districts. 
A large species, with shining golden-yelloic foliage. 
. 15. H. trifTirium, Weber & Mohr. Stems nearly erect, epar- 
* n gly long-branched ; leaves closely imbricated, rather .3 -ranha,. roun^ 
ovate, very concave, entire, the nerve vanishing at 1 ^ nl !\ . 
Cranberry marshes, N.Ohio (without fruit). Foliage ar' ur 
16. H. Stramineiini, Dickson. Stems ^ W^ e sne^ 
erect; leaves loosdy imbricated, otlongevate. ptd i ce I long 
straw-colored , entire , nerved to two thirds the e conic, 
and slender; capsule almost cylindrical, erect-nodd B , 
o>cute. — Springy places, on mountains, New En e an 
