MUSCI. (MOSSES.) (19) 619 
Trinz IV. DICRANEZ. 
10. ARCTOA, Br.&Sch. (Tab. L) 
Calyptra cuculliform, inflated. Operculum large, obliquely rostrate. 
ap- 
sule oval or somew at turbinate, ribbed when dry, erect or inclined, annulate, 
oie! anager ane a Aa pening: on site with long lanceolatoseta 
(Name 
from dpxtos, north; found only in 1 Northern latitudes. be 
1. A. fulwéla, Br. & Sch. Leaves fulvous, with a strong continuous 
costa denticulate at the apex; perichetial leaves large, sheathing, overtopping 
the capsule. — White Mountains, New Hampshire, Oakes. (Tab.I.) (Eu.) 
Il, CAMPYLOPUWS, Brid. (Tab. 1) 
Calyptra cuculliform, fringed at the base. Operculum conic-rostrate. Cap- 
sule oval, regular or gibbous, annulate, ribbed when dry, on a poion pedicel. 
phere — teeth = — sanidecine, sens bifid; segments une 
terminal. — Stems densely ares dichot- 
omously branched; leaves rigid, ibuenananila: with a broad excurrent 
costa; areolation une; oblong or rhomboid at ¢he base, elsewhere much smaller 
and subquadrate. (Named from xapziXos, curved, and movs, a foot, in allusion 
to the curved pedicel.) (Tab. I.) 
. C. flexudsus, Brid. Stems 1/-2! high, radiculose ; leaves Nigga 
or tise capsules aggregated at the apex of the ste gib- 
bous.— Shaded rocks, Grandfather Mountain, N. Carolina. (Tab. I.) (En) 
“ee é6trichus, Sulliv. & Lesqx. (Muse. Bor.-Amer., No. 73.) 
Stems densely leaved above, claviform; leaves wea guses linear- Santsblate, 
with a long hyaline and denticulate hair-point ; costa very broad, strongly lamel- 
lose on the back. — On rocks, dry woods, Raccoon Mts., Alabama, Lesquereuz. 
Leanus, Sulliv. Stems fastigiately branched; the branches termi- 
nated by dense beads of minute oblong se set go abortive er leaves 
lanceolate-subulate, erect, rather secund, the costa nearly all the 1 
— Ohio and Pennsylvania: not rare; on very much decayed stumps a lel 
Resembles the young growth of Dicranum flagellare 
12, DICRANODONTIUM, Br.&Sch. (Tab. 1) 
Calyptra cuculliform, not fringed at the base. Operculum conic-subulate. 
Capsule elliptic-oblong, annulate, smooth, pendulous from an arcuate pedic 
Peristome single : teeth 16, linear-lan Are cloven to the base; their divisions 
a . Inflorescence dicecious : : 
, terminal. 
eminent oe pean from Sixpavos, forked, and 
atin els 
