MUSCI. (MOSSES.) (57) 657 
1. L. julaceus, Sulliv. Branches 8/-10" high ; leaves appressed, when 
dry recurved, horizontal when moist, ene: revolute on 3 areola- 
tion minute, oyal-rotund ; perichetial leaves as long as the pedicel. — Trees, 
Middle States, in districts not iain Tab. IV.) 
rachypus, Brid. ry like the preceding ; branches more 
elongated (13/- 2! pies recurved ; le ie fae longer, when dry secund; operculum 
longer-rostrate ; i shorter; pericheetial leaves overtopping the capsule. — 
Alleghany Moun 
63. LEPTODON, Motr. (Tab. IV.) 
Calyptra dimidiate, large, hairy. Operculum conic-rostellate. res onerhiore 
oblong, its pedicel concealed by the large pericheth. Peristome double; the 
exterior 16 linear acuminate whitish teeth, more or less fissile along 
dicecious. — Rather stiff Mosses, with prostrate filiform naked stems, 
ed mostly simple and pinnated branches, densely clothed with slight 
leaves, having a dot-like areolation. (Name composed of Aerrés, narrow, an 
Oder, a 
omiitrion, Mohr. Main branches 13/-2/ long ; ; leaves when 
long as the pedicel.— In woods; forming elastic masses on the trunks of trees, 
sometimes on rocks; Northern and Middle States. 
mérsum, Sulliv. & Lesqx. (Muse. Bor.-Amer., No. 234.) 
Ciciniirtcst smaller than the preceding; leaves not so crowded, more suddenly 
acuminate; capsule pianos: its mouth larger; articulations of the 
teeth of the peristome closer; perichzetial leaves eee (besides the pedicel) 
the larger portion of the capsule. — Trees, Southern States 
Ohioénse, Sulliv. Much like No. 1; but stems more slender and 
sloncabed; less regularly pinnate; leaves when moi Pg scueash resaas the 
costa extending to the middle. — Trees, Central Ohio. (Tab. IV.) 
64. ANTITRICHIA, Brid. (Tab. IV.) 
Calyptra cuculliform. Operculum conic. Capsule oval, exannulate, with a 
aan pedicel. Peristome double; the exterior 16 lanceolate-subulate 
the interior 16 subulate fugacious cilia. Spores large. Inflorescence 
sien — A large Moss with distantly anaes wets cen _ nance or 
pendulous stems, and crowded broadly ovate-acuminate semi-costate leaves ; the 
richztial elongated and reaped (Name from dyri, opposite, and splznens 
a little hair, the cilia supposed to be opposite the teeth.) 
1. A. curtipéndula, Brid. Leaves ciliate-serrate at the apex, recurved 
on the margins, plicate with 4-5 short costs at the base, the central one extend- 
ing beyond the middle ; cellules minute, been - the basal angles oval, disposed 
in ia obliga lines, idéeiehaee oblong. — Summit of Black Mountain, North Caro- 
lina, Lesquereux. (Tab. IV.) (Eu.) 
