MUSCI. (MOSSES.) 57 
1. L. julaceus, Sulliv. Branches 8’’-10” high ; leaves appressed, when 
ie rizontal when moist, ecostate, revolute on the margins; areola- 
tion a oval-rotund ; perichztial leaves as long as the pedicel. — Trees, 
tates, in districts not mountainous, (Tab. 18.) 
2. L. brachypus, Brid. Very like the preceding ; branches more 
elongated (1}’-2/ long), recurved ; leaves longer, when dry secund; operculum 
nger-rostrate ; pedicel shorter; perichztial leaves overtopping the capsule. — 
Alleghany Mountains. 
63. LEPTODON, Mobr. (Tab. 18.) 
tra dimidiate, large, hairy. O lum conic-rostellate. Capsule ovate- 
oblong, its pedicel concealed by the large perichwth. Peristome double ; the 
nak 
ed daoeily simple and pinnated branches, densely clothed wih b blngove 
leaves, having a dot-like areolation. (Name composed of and 
sions a tooth.) 
. L. trichomiitrion, Mohr. Main branches 1}'-2! long; leaves when 
moist erect-patent, ecostate, reflexed on the margins; the sat ner leaves 
long as the pedicel. — In woods; forming elastic masses on the trunks 
sometimes on rocks; Northern and Middle State: 
mérsum, Sulliv. & Lesqx. (Muse. Bor.-Amer., No. 234.) 
Biswas smaller than the preceding; leaves not so crowded, more suddenly 
acuminate; capsule urceolate-oblong, its mouth larger ; articulations of the 
teeth of the peristome closer; perichztial leaves ace sont the pedicel) 
the larger portion of the capsule. — Trees, Southern Sta 
3. L. Ohioénse, Sulliv. Much like No. 1; but stems more slender and 
oe less regularly pinnate ; leaves when moist rw erage the 
costa extending to the middle. — Trees, Central Ohio. (Tab. 18.) 
64. ANTITRICHIA, Brid. (Tab. 18.) 
Calyptra cuculliform. Operculam conic. Capsule oval, exannulate, with a 
flexuose-arcuate pedicel. Peristome double; the exterior 16 lanceolate-subulate 
the interior 16 subulate fugacious cilia. Spores large. Inflorescence 
dicecious. — A large Moss with eucenaeie subpinnate — flex xuous ing 
acronsiog stems, and crowded broadly te leaves; the 
elongated and ——— (Name from dyri, opposite, and tpixtoy 
a little hair, the cili y supposed to be opposite the teeth.) 
1, Ae a, Bri. = a the — es 
the 
on 
ing beyond the middle ; sata minute, those at the basal angles oval, disposed 
in sence. lines, elsewhere oblong. — Summit of Black Mountain, North Caro- 
Lesquereur. (Tab. 18.) (Eu.) 
