658 
MUSCI. (mosses.) 
POLYTRICHACEiE. 
28 . AjTRICIIUITI, Beauv. Smooth-Cap Moss. 
Calyptra narrowly cucullate, naked, spinulose at the apex. 
Capsule terminal, elongated-cylindraceous, slightly curved. Pe¬ 
ristome single, of 32 short strap-shaped teeth, incurved and ad¬ 
hering by their summits to the margin of the disk-like apex of the 
columella. Lid awl-beaked. Inflorescence moncecious or dioe¬ 
cious . sterile fl. cup-shaped. (Name formed of a privative and 
Opl£, hair , from the smooth calyptra.) 
L A. imdlllatiiiii, Beauv. Stems erect, mostly simple; 
eaves long, ligulate-lanceolate, undulate, spinulose-ioothed , narrowly 
margined, the nerve with 2- 4 narrow lamellce. —Moist clay banks, in 
1 7 districts; rare. Monoecious ; the fertile fl. terminal on a prolon- 
O ation of the axis of the sterile flower. (Catharin*a undulata, Bridel.) 
2. A. aaa^ustfstuin, Beauv. More slender than the preced- 
J" g ’ narrower i niore densely reticulated, not denticulate below 
the middle, the nerve with more and broader lamella. — Shady woods 
and margins of swamps; common. Dioecious. 
29. POGOBIATIIM, Beauv. Hair-Cap Moss. 
Calyptra cuculliform, densely hairy. Capsule terminal, cylin¬ 
drical. Peristome single, of 32 teeth, adherent by their summits 
to the membranous-ddated apex of the columella. Lid beaked. 
Inflorescence dioecious ; sterile fl. terminal, cup-shaped. (Name 
from iriyuK, beard, from the hairy calyptra.) 
* Stems extremely short. 
* ^ >re VicauIe, Brid. Stems very short; leaves few, 
croirt e< and appressed, awl-shaped from a membranaceous base, den¬ 
ticulate ; capsule cylindrical; lid obliquely beaked. — Moist,clayey 
banks. Sterns l"-2", the pedicels 1' to 1£', high : the ground around 
is always covered by a green stratum of confervoid filaments. 
* * Stems elongated. (Alpine species.) 
’ Wrnig'erUBli, Brid. Stems elongated, divided above; 
leaves lanceolate from a short sheathing base, pointed, serrate, the limh 
densely covered with lamellce , which have their borders abruptly 
thickened ; capsule cylindrical, the surface granulated. — White Moun¬ 
tains, New England. Plant 2' - 4' high. * 
3. 5 . cap!IIarc, Brid. Very like the preceding species, but a 
smaller plant; leaves oblong , approaching to spatulate , pointed, more 
loosely placed on the stem, pedicels more slender; beak of the lid 
