MUSCI. (MOSSES.) 21 
DICRANELLA, Schimp. — Small Pate leaves smooth, more or less serrate 
the pail the areolation uniform at the : calyptra not inflated: capsule 
stru ous. 
es crea Hedw. Densely cespitose, B casa 
ms short, 4!'-6" high; sie lanceolate-subulate, serrate at the apex, some- 
eas secund, with a broad costa; capsule gibbous, short, Stan narrowly 
annulate, strumose. — Bogs, New Jersey, Torrey. (Eu.) 
D. varium, Hedw.- Stems 4-5" high; leaves rte 
nearly entire at the apex, patent; costa slightly excurrent ; 
Ko more or less oblique and incurved, exannulate ; eatin large, shortly 
—Clay-banks, in loose patches: very common: variable. (Eu.) 
.- dD. . débile, Hooker < Wilson. Resembles small forms of No. 5 
stems 2/’-3'! a mostly simple, leaves erect ; the lower short, ee ae 
rather obtuse ; the upper sammipeaattil channelled, and with entire reflexed 
margins, ‘iene to the apex; capsule oval, erect; operculum sty a small conie 
base, a rostrum as long ‘as the capsule ; peristome small: 
Ba 2 -3-cleft half-way, below red, strigillose, the segments seabestn: annulus 
ry large, ore triple; spores rather large; pedicel yellow. — Clayey soil, 
Mobile, Alabam 
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4 
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a 
J 
ms, Turner. Stem short, gregarious; leaves reddish, lax, 
‘iced iniiseakei falcate-secund, the margins Ges obscurely denticulate ; areo- 
lation loose; capsule erect, oval or somewhat obovate, exannulate ; nana 
large, with a short rostrum. —Wet clay-banks, Paka Gaaaa i 
sembles No. 5. (Eu.) 
8. D. subulatum, Hedw. Loosely cxspitose; stems 5-10” high; 
leaves Fa somewhat falcate, ‘ice cabplavs from a lanceolate base, entire ; 
costa SRT capsule ovate, gi ee cernuous, dog when dry; annu- 
lus rather large; pedicel red. — White Mts., New Hampshire, Oakes. (Eu.) 
heteré6mallum, Hedw. Somewhat larger than the last; leaves 
ince slightly eueen ee taceous ; costa heavy, vanishing at the sub- ~ 
denticulate apex arly erect, more or less obovate and gib- 
we obliquely beats when dry ; veil pale yellow. — Var. orTHOCARPUM 
has an erect cylindrical capsule. — Moist ground; very common. (Eu 
§3. DICRANUM Proper. — Mostly large species: stems often densely tomentose 
for their whole length with vanced ir — with enlarged yellowish and di- 
aphanous cellules at their basal a ct. 
% Monecious : as nate capsule cernuous. 
Blyttii, Bryol. Europ. Cespitose ; branches fragile; leaves soft, 
.D. 
Gok flexuose, rather secund, crisped when dry, the costa slightly excur- 
rent; capsule oval, when dry strumose ; annulus — and sub- 
aig White Mountains of New Hampshire. (Eu.) 
1. D. Stirkit, Web. * mane _— 1! ee long, decumbent at the 
bac a lanceolate base, secund, not crisped 
when dry, the code: shortly excurrent ; pe oblong, gibbous, strumose, stri 
ated ; annulus double. — — With the last. (Eu.) 
