670 (70) MUSCI. (MOSSES.) 
somewhat obtuse, serrulate ; costa ceasing near the apex. — Wooded hill-sides, 
on the ground. (Eu.) 
20. MA. diversifOlium, Bryol. Europ. Dicecious; very n 
ceding, but has a more simple ramification, obtuse turgid branes, _ leaves 
more densely geet ; those of the stem and branch , acumi- 
nate, sulcate; those of the branchlets ovate-obtuse. —Sandy soil ; hilly por. 
tions of Gotthern Ohio, Lesquereux. (Eu.) 
21. Hi sree Ag ct Dicecious ; stems ee a with a somewhat 
fasciculate ramification; branches elongated, turgid, terete, obtuse, flaccid; 
leaves densely hanvindiie, ovate from a broad auriculate as apiculate, very 
ee suet costa ae oe more than half-way. — On the ground, mostly 
in hilly and wooded districts. —A large species, with golden yellow foliage: 
does not wal associate with the four preceding species in a natural arrange- 
ment. 
§ 8. RHYNCOSTEGIUM, Bryol. Europ. — Stans mage: irregularly branched, 
more or less compressed : leaves pai nd nicostate or shortly bi- 
costate ; areolation somewhat loo ted-rhomboidal pier oval and inclined, 
or oblong and cernuous : sauitilion rostrate. 
22. Hi. serrulatum, Hedvw. Moneecious ; leaves pale green, membra- 
nous, lax, bifariously directed, spreading, ova: ceolate, acuminate, serrulate, 
costate beyond the middle; capsule oblong, cernuous.— On the ground, in dry 
woods, forming thin strata; occasionally condensed, the branches becoming 
indrical. 
23. H. deplanatum, W. P. re Dicecious ; stems and obtuse branch- 
es very flat, profusely rooting underneath their whole length; leaves bright 
green, shining, crowded diate imbricating, broadly ovate-lanceolate, ser- 
multe, shortly bicostate ; capsule gibbose-oblong; annulus narrow. (H. de epres- 
sum, James, in Proceed. Amer. Acad. 1855.) — Ty woods, in close, thin mats, 
near the ground, on stones and roots of trees. — rare. 
24. Hi. rusciférme, Weis. Monecious; branches somewhat areuate, 
fasciculate, elongated, very oe compressa leaves oblong-ovate, shtity 
inate, sharply serrate, so sane en nearly to the apex; 
capsule oval, rather incurved ; anitian eats — Mountain rivulets: frequent. — 
A rather rigid species, with lurid green foliage of a firm texture. (Eu.) 
§ 9. RAPHIDOSTEGIUM, Bryol. Europ. — Stems prostrate, subcompressed ; 
ramification irregular : leaves subsecund, oblong-lanceolate, ecostate or shortly bicos- 
tate ; the margins reflexed ; areolation minute, linear, fleruous ; the 3-5 cellules 
at each of the basal angles large, — inflated : capsule oblong, suberect or cer- 
nuous : operculum subulate: small spec 
5. Hi. demissum, Wils. esi cept stems filiform, elongated, spar- 
ae branched ; leaves yellowish, shining, rather lax, narrowly acuminate, 
ecostate ; capsule narrowly elliptical, ho: anal cernnous. (H. Rugelianum, 
Bryol. Europ.) —Mountainous districts. — Usually grows in thin flakes, on the 
inclined faces of moist exposed rocks: variable. When much shaded, and on 
