74 MUSCI. (MOSSES.) 
(15. HYPNUM Prorer.— Stems procumbent or ascending, irregularly divided, 
with a more or less densely pinnate ramification, sparingly villous: leaves ovate-lan- 
ally subsecund 
f ly 
icostate, membranaceous, shining ; cellules linear, compact: capsule annulate, 
mostly oblong and erect-cernuous: operculum aie more or less rostellate. 
46. Hi. mollascum, Hedw. Dic ; grows in soft mats; stems 
procumbent cr ascending, Aiehoenmunly vi the divisions very closely 
and pinnately ramulose, much as in No. dissommaaanted incurved at their 
points ; leaves suddenly lanceolate-attenuate ae a broad base, faleate-secund, 
serrate ; capsule horizontal, turgid-oval. — On rocks nor on the ground, in dense 
woods ; — in mountainous regions. (Eu.) 
47. H. cupressiférme, L. Diccious ; stems creeping, irregularly or 
subpinnately ramulose ; leaves broadly oblong-lanceolate, attenuated, often ser- 
rulate at the point, ibcsipaeiunbs capsule oblong or cylindrical, erect-cernu- 
ous; annulus broad; operculum convex-conic, more or less acutely rostellate. 
illy districts, on the trunks of trees, rocks, or on the ground, in shaded 
places. — Very variable. (Eu.) 
48. H. imponens, Hedw. Diccious; stems prostrate, extended, di- 
vided, regularly and closely pinnate; leaves broadly ovate-lanceolate, long-acu- 
minate, falcate-secund, sharply serrate at the point, the margins below reflexed ; 
n th 
orming extensive thin mats, in localities not mountainous. — 
of our eas common species. (Eu.) 
49. Hi. réptile, Michx. Monecious ; stems slender, creeping, reese 
subpinnately ramulose ; leaves somwalhone: moderately acuminated, su 
cund, more or less faleate, strongly serrate at the point; capsule cy ee 
erect-cernuous ; operculum large, rostellate from a tamid base. — Smaller than 
the last ; occurs only in mountainous districts, where it is very common. (Eu. 
50, HM. curvifOlium, Hedw. Diccious; in general aspect like No. 47 
and 48, but larger, and not so pinnately ramulose ; readily recognized by its 
and, when dry, sulcate capsule ; and by the conspicuous whit- 
‘ity ease, ‘etetuaial loss eaves, — Grows with No. 48. 
ma, Grev. Monecious; stems creeping, iregu- 
oblong-lanceolate, entire, spreading. or less secund; capsule eepesies: 
cylindrical, nearly erect, slightly ineuryed ; operculum acutely donic or subro 
tellate. — Grows in same places as the last. sal nt 
52. H. memordsum, Koch. Mon creeping, elongated, 
pi 
with several main divisions, which are ia: ne aaa and fasciculately 
-Famulose ; branchlets subcompressed ; leaves ovate-lanccolate, with a long and 
narrow — serrate and subflexuous point, patent, more or less secund; 
capsule erect-incurved ; operculum Se erat, «- Tacayed logs, om 
“summits of the Alleghany Mountains. — About the size of No. 48. (Eu.) 
53, . praténse, Koch. Dicecious (in Enuropean specimens pseudo- 
monatcious, Big Europ.) ; stems ascending, divided, subfastigiately branched 
