668 (68) MUSCI. (MOSSES.) 
On decayed logs, in deep woods. — Varies in the papilloseness of the leaves and 
lina on brick walls, is smaller in ne? leaves more papillose ; capil nore 
slender, and with a longer conic, acute eee a a strikingly cygheus 
pedicel : perhaps pecies. 
ce 
7. Hi. abietinum, L. Diccious; stems erect, ion and dichoto- 
mously divided, simply pinnate; branchlets attenuated ; capsule cylin 
amas slightly incurved ; operculum conic. — Mts. of New England. 
§ 2. ELODIUM, Sulliv. — Stems villous, ascending, 1-2-divided, distantly pin- 
nate: “branchlets subcompressed : leaves lanceolate, acuminate, not papillose, striate ; 
reolation elongated: 
omboidal : costa continuous: capsule oblong, cernuous : oper- 
culum convex-conic. 
8. Hi. paluddsum, Sulliv. Dicecious; stems 3/—4! long; leaves yel- 
fiat with a cordate-concave base, the margins recurved, entire. — 
Swamps, Northern and Middle States. 
§3. HYLO OCOMIUM, Bryol. Europ. — Stems villous, arcuate-ascending ; divis- 
ions few, irregularly pinnate ; i broadly —— more or less acuminate, 
squarrose or reflexed, shortly bicostate ; areolation capsule short, turgid, hori- 
zontal, annulate : ena short-conie or aan : large and robust species. 
9. H. squarrdsum, L. Diccious; leaves pale green, shining, long- 
lanceolate from an ovate concave loosely imbricating base, acuminate, subden- 
ticulate; capsule Part goa operculum aie Saag apiculate. — Wet, 
grassy places, woodlands ennsylvania. — Seldo: its. (Hu.) 
10. Hi. triqueé L. Dic ; divisions of the stem somewhat 
aye the branchlets elongated, tes, acute ; leaves bright green, shin- 
g, from a broadly triangular-lanceo. narrow base, suleate, sparsely ome 
be on Pm back, dentate at the apex ; capes oval, gibbous ; opercul 
mammillate. — On the ground, in woods. — The largest of our Hypna. (E a.) 
. H. breviréstre, Ehrh. Diccious; the branches subfasciculately 
ery stem-leaves broadly Gages suddenly acuminate, decurrent, sul- 
cate ; branch-leaves ovate-lanceolate, sii ; capsule ventricose-ovate ; 
operculum conic-rostellate. — Rocks, Sd base of trees, Alleghany Mountains. 
— Foliage greenish-yellow : smaller than the last two species. (Eu.) 
§ 4. PLEUROZIUM, Sulliv. — Stems villous, arcuate-prostrate, increasing by an- 
oblong-ovate, inate, 
or semicostate ; areolation linear-flexuous : capsule ieiaiidiconahe: operculum conic, 
12. Hi. splémdens, Hedw. Dicecious; stems 3/-6! long, composed of 
3-5 distinct, closely bipinnate, frond-like growths or innovations; stem-leaves 
broadly ovate-oblong, cirrhose-acuminate, shortly 2-costate, serrulate ; opercu- 
— On the ground, in woods. (Eu.) 
13. H. umbratum, Ehbrh. Diccious; stems teri and. bipin- 
nately sedi ageaatarrnsserein leaves cordate, acuminate, , bi 
