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Pl.cell.fol 14. MUSCI. 707
Fam. II. 14. MUSCI. Most botanists. Cryptogamce
calyptratcB opercidutce, Mohr.
Flowers unisexual Male. Anthers oblong, spherical,
networked, bursting irregularly, pedicelled, in the axilla of
the perichetial leaves; pollen granular. — Fem. Flowers
terminal or lateral ; pw^i//^ many, clustered, only one fertile,
style terminal ; stigma expanded ; calyptra covering
the pistiils, bursting across at bottom, rising up with the
capsules; calyx. 0; perichetial leaves surrounding the calyptra
; capsule pedicelled, valvelcss, operculated ; columella
central ; mouth fringed, fringe single or double ; lid mostly
deciduous ; seeds roundish, attached to the columeUa
elaters 0. Plants small, texture compactly cellular; leaves
mostly with a main rib, "undivided or slightly toothed.
A. Perislo7ne 0.
Capsule 4-valved Andrea, 34S.
Caps, not cut, sessile; recept. pedicelled Sphagnum. ,344.
Caps, not cut, pedicelled ; recept. sessile
lid adnate Phascum. 345.
Caps, not cut, pedicelled; recept. sessile;
lid deciduous, at last jagged Schistostega. 346.
Caps, not cut, pedicelled; recept. sessile;
/id! deciduous ; ca /?//)/?•« bellshaped .. Anictangium. 347.
Caps, not cut, pedicelled ;
recept. sessile;
lid deciduous ; calyptra halved .... Gymnostomum. 348.
B. Peristome single, formed of a membrane only.
Peristome conoid, folded Diphyscium. 349.
C. Peristome single, formed of teeth or hairs.
Teeth of the peristome 4 Tetraphis. 350.
Teeth eight pair Splachnum. 351.
Teeth 16, cohering at the tip Conostomum. 352.
Teeth 32, tips joined by a membranePoLYTRiCHUM. 353.
Teeth 32, twisted, anastomosing at
bottom CiNCLiDOTUS. 354.
Teeth 32, twisted, joined by a membrane
, . . .' Tortula. 355.
Teeth 16, not divided, straight, free;
calyptra bellshape, or mitrelike, smooth Encalypta. 356.
Teeth 16, not divided, straight, free;
calyptra bellshape or mitrelike, furrowed Grimmia, 357.
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