MUSCI. (MOSSES.) 65 
6. C. brevisétum, Bryol. Europ. Ramification subfasciculate ; branches 
ne ; inate ; leaves crowded, ovate and oblong-ovate, the point ex- 
tended and subserrulate, the margins slightly reflexed; ann ; in 
peristome abortive, or a membrane lining the tee places, on trees, &e., 
Western and Southern States ; not common. Fruits sparingly. 
Trise XXXIL NECKERES. 
76. NECKERA, Hedw.; Bryol. Europ. (Tab. 19.) 
Calyptra pepo: 2 emeompsat Smet: —— Capsule oval, erect, 
pedicellate, immersed or exserted. ; the exterior 16 long lin- 
canecummate BBP the interior 16 subulate cilia, more or less developed, the 
membrane e very narrow. Inflorescence monecious or dicecious. — Rather 
arge species, conspicuous for their flat broad stems, and shining, complanate, 
ovate-lanceolate, scarcely costate, and mostly transversely undalnve ge of a 
thin, smooth texture, and a minute elongated-rhomboidal areolation. (Named 
for NV. J. Ne i 
1. N. ata, Hedw. Monecious ; rips obtuse ; leaves acumi- 
nate ; eo facemnt in the long perichetial leaves ; cilia of the inner peri- 
stome obsolete or rudiment: tary. — Tru 7 trees; common in mountainous 
districts. (Tab. 19.) (Eu.) 
2. N. complanata, Bryol. Europ. Diccious; branches often attenu- 
ted, flagelliform ; leaves ovate-oblong, obtuse, apiculate, not undulate ; capsule 
Sa cetioalie, exsenei i peristome with cilia half as long as the teeth. — (Les- 
kea complanata, Hedw.)— On rocks, New England, Alleghany Mountains, and 
Tennessee. (Eu.) 
77. OMALIA, (Brid.) Bryol. Europ. (Tab. 19.) 
Ca alyptra tra cuculliform. Operculum conic, rostellate. seb eaga eke erect, 
or slightly cernuous, pedicellate. age me as in Infi nce 
Pag — Ramification irregular; stems and cae és flat, binictuas il 
leafy ; leaves complanate, plat ome semi-costate, obtuse, apiculate, shining, 
en a minute rhombic a (Name from 6padés, flat, referring to the 
stems and branches. ) (Tab. 19.) 
1. Oo. tichomanotdes, (Brid.) Bryol. Europ. Main branches ascend- 
ing, arcuate-incurved, ramulose ; leaves often somewhat falciform, 
lax, oe serrulate nai capsule oval-oblong ; ciliol of the inner peri- 
rudimentary or absent. — i-Om rocks, about Lake Superior, but rare, 
2. O. Jamesiana, W. P. Sch. mss. Found by Mr. Thomas P. James 
on the White Mountains, New Hampshire, and on the Catskill Mountains, New 
York. — (Hypnum trichomanoides, deans; Enum. ) — We have seen no descrip- 
rfect (being without fruit) to 
tion of this species, ; P 
cahibit the distinctive chacatebs. 
3. O.? Wrightii, Sulliv. (Muse. Bor-Amer. No. 269.) Stems pros 
