68 MUSCI. (MOSSES.) 
On decayed logs, in deep woods. — Varies in the papilloseness of the leaves arid 
the shape of the operculum. — Var. Ravewxéut1, which occurs in South Caro- 
lina on brick walls, is smaller in size ; leaves more papillose ; capsule more 
slender, and with a longer comic, acute operculum, borne on a strikingly cyyneus 
pedicel : perhaps a distinct specie: 
Ti abietinum, L. Dicecious; stems erect, sparingly and dichoto- 
mously divided, simply pinnate; branchlets iphegeemert capsule cylindrical, 
suberect, slightly incurved ; operculum conic. — Mts. of New England. (En.) 
2, ELODIUM, Sulliv.— Stems villous, ascending, 1 -2-divided, distantly pin- 
- nate: branchlets s pressed : leaves lanceolate, acuminate, not papillose, striate ; 
areolation a costa continuous: capsule oblong, cernuous: oper- 
culum convexr-conic 
8. Hi. paludosum, Sulliv. Dicecious ; stems 3’—4’ long ; eh hie 
lowi sat n, with a cordate-concave base, the margins recurved, en 
Swamps, Northern and Middle States. 
$3. eScorenny Bryol. Europ. — Stems villous, ee divis- 
ions few, irregularly pinnate ; leaves broadly lanceolate, more or less —— 
or reflex bicostate ; areolation hie ier short, rite 
zontal, annulate: operculum short-conie or conic-rostellate : whee 
= r mi, L. Diccious; leaves pale green, age Sd 
m an ovate concave loosely imbricating base, acuminate, su 
oes: aoa. ovate-globose ; operculum conyex-conic, ae 
grassy places, woodlands of ata — Seldom fruits, (Eu.) 
10. Hi. triquétrum, L. Dicecious; divisions of the stem somewhat 
fastigiate ; the branchlets elongated, deflexed, acute; leaves bright g i 
mammillate. — On the puis in — The largest of our ar Hypna. (Eu.) 
ll. H. breviréstre, Ehrh. Ee the branches subfasciculately 
ged ; stem-leaves broadly cordate, suddenly acuminate, decurrent, sul- 
cate; branch-leaves ovate-lanceolate, not squarrose ; capsule ventricose-ovate ; 
operculum conic-rostellate. — Rocks, and base of trees, Alleghany Mountains. 
— Foliage greenish-yellow : smaller Ca the last two species. (Eu.) 
§4. PLEUROZIUM, Sulliv.— Stems vi 
8,.areuate-prostrate, increasing by an- 
nual, asi simple or 2~3-pinnate proli pascal leaves concave, patent, broadly 
ovate or ol sate, more or less acuminate, membranous, shining, shortly bieostate, 
or semicostate ; areolati fleruous: capsule roundish-ovate : opercul ic 
or conic-acuminate. 
12. H. spléndens, Hedw. Diccious; stems 3’-6! long, composed 
3~5 distinct, closely a frond-like growths or innovations ; stem-leaves 
pong ditt eerie, uminate, shortly 2-costate, serrulate ; opercm 
aie (Eu.) 
1. aca cdickeuen, Ehrh. Dicecious; stems fuachealately and bipin- 
nately branched ; branchlets incurved ; leaves cordate, acuminate, plicate, bicos- 
