30 MUSCI. (MOSSES.) 
Tre X. TETRAPHIDES. 
26. ivsloed tdas Hedw. (Tab. 16) 
lyptra mitriform irregularly plicate, lacerate at the base. Opereu 
lam acutely onic. its subcylindrical, long-pedicellate. Peristome single : 
teeth 4, thres-sided, aan time: longitudinally striated on the back, 
not anticulaiet. Infl cecious: male flower gemmiform, terminal. 
rennial, eerie on id tosis Seaied wood ; stems slender, simple or ries 
ing wt their apex leafy cup-shaped receptacles filled with lentiform 
pedicelled gemmez ; leaves ovate-lanceolate, 3-ranked, costate, with an hexag- 
onal-rotund areolation. (Name from rérpa, four, and vs, produced.) 
1. T. pellacida, Hedw. Stems }/-1' high, aed tufted, reddish be 
low, light green above.— Woods; common. (Tab.16.) (Eu.) 
27%. TETRODONTIUM, Schweer. 
alyptra large, mitriform, plicate, laciniate at the base, sometimes split on 
one side to the apex. Operculum conic. Capsule oval, exsertly pedicellate, 
Peristome as in Tetraphis, but the teeth shorter. Inflorescence moncecious: 
male flower gemmiform, terminal. — Minute bulb-like sc Abas upon 
— aya ‘rom ‘Tetraphis chi i in habte Say structure of the foliage), 
te leaves, ann at the base 
leafy flagellif hlets, or Se linear-clavate frondose pro- 
cesses, sometimes trifid at : the apex. — aane from rérpa, four, and édev, tooth.) 
Funk. Frondose processes very rare; pedicel 3/- 
5! oe mouth of pos capsule repand or notched between the teeth. — Damp 
shaded situations, m the ground near the “Glen House,’ Gorham, White 
tains of New Hampshire, James. (E 
Tre XI. ENCALYPTEZR. 
28. ENCALYPTA, Schreber. (Tab. 16.) 
Cabspien large, cylindrical-campanulate, longer than the gm subulate- 
rostrate, uneven or fringed at the prt opine m conic, with a long slender 
subclavellate rostrum. Capsule ted-ovate-cylindrical, Le duacea* 
Peristome variable, either absent, Pe or double. Inflorescence moncecious oF 
diceecious. — A wi genus, approaching in habit and ‘is of growth 
the larger species of Barbula.— (Name from évxadumrés, covered with a veil, 
in allusion to the remarkably large calyptra.) 
ae, Hedw. Stems }/-1' high, thick, radiculose, simple or 
branched ; leaves rather large, crowded, recurved-spreading, oblong- 
ovate or ligulate, shortly — slightly concave, rather undulate on the 
margin, somewhat crenulate near the apex ; arcolation dot-like, granulose above, 
istome single, with 16 lancnolate distantly articulated teeth, without a medial 
