MUSCI. (MOSSES.) 43 
a lateral fissure not extending through its tubular base. — Shady banks of water- 
courses; not uncommon. (Tab. 17.) 
47. AULACOMNION, Schwegr. (Tab. 17.) 
gh Sapte, Operculum shortly and obtusely rostellate from a 
bbe 
con ase le oblong, cernuous, striate (ri when dry), long-pedi- 
icius, enna. Pcie as in , but with ciliole (2 or 3 together) 
always pre: nflorescence moncecious or dicecious.— Plants having, be- 
sides a ple habit of their own, a mixed resemblance to species of Mnium, 
Bu and Meesia; stems erect, tomentose; upper ars of the branches 
in some species elongated, leafless, pedicel-like, and terminated by capitula of 
peee leaves (pseudopodia) ; leaves oblong or Hinoistaasiclaas costate 
nearly to the apex, with a granular dot-like areolation. (Name from avAaég, 
-axos, a furrow, and priov, a moss, in allusion to the furrowed or ribbed capsule.) 
1. A. heteréstichum, Br. * OE RRA obovate-oblong, strongly 
serrate, turned to one side; capsule cyl g, slightly curved ; opercu- 
lum obliquely rostellate. — Woods, moist shady banks, &c.; common. — 
cious ; sterile flower gemmiform, axillary: pseudopodia wanting. (Tab. 17.) 
A 
sule ae ke gibbous. — White Mountains of New 
vious; sterile flower discoid: presence of sereen, doubtful. 
urgidum, Schwegr. Leaves ovate-oblong, obtuse, entire; cap- 
b M w Hampshire. —Die 
Ae p » Schwegr. Leaves elongated-lanceolate, denticulate at 
ye apex ; capsule nmin —— se at the back. — Borders of 
swamps ; not unfrequent. — Inflorescence n No. 2: pseudopodia less fre- 
quent than in the next species. (Eu.) 
4.° Me andrégynu m, Sc Dicecious ; a miniature resemblance 
of the preceding species ; distinguished by its gemmiform male flower and ob- 
long, regular, inclined capsule: pseudopodia more abundant and fruit more 
— Chimney Rocks, on the French Broad River, Tennessee. (Eu.) 
48. BRYUM, Br.&Sch. (Tab. 18.) 
Calyptra small, cuculliform, fagacious. Operculum convex, apiculate or 
shortly rostellate. Capsule pyriform, clavate or oblong, with a tapering neck 
or apophysis, inclined or pendulous, long-pedicellate, mostly annulate. ote 
— double; the exterior 16 lanceolate teeth, with a flexuous medial 1 
hygroscopic; articulation close, internally pecanieiells the interior a saab 
divide d half-wa: = se8 16 carinate processes or cilia, alternating with the teeth ; 
ediate ci © (t- -8 together) mostly present. lorescence various : 
percurrent costa, 
(Bpvov, ar ‘ncient name for Moss.) 
