707 
PL cell.fol. 14. MUSCI. 
Fam. II. 14. MUSCI. Most botanists. Cryptogamce 
calyptratce operculatce , Mohr. 
Flowers unisexual Male. Anthers oblong, spherical, 
networked, bursting irregularly, pedicelled, in the axillae of 
the perichetial leaves; pollen granular. — Fem. Flowers 
terminal or lateral; pistills many, clustered, only one fer- 
tile, style terminal ; stigma expanded ; calyptra covering 
the pistills, bursting across at bottom, rising up with the 
capsules ; calyx 0 ; perichetial leaves surrounding the ca- 
lyptra ; capsule pedicelled, valveless, operculated ; columella 
central; mouth fringed, fringe single or double; lid mostly 
deciduous ; seeds roundish, attached to the columella ; 
elaters 0. — Plants small, texture compactly cellular; leaves 
mostly with a main rib, undivided or slightly toothed. 
A. Peristome 0. 
Capsule 4-valved ............ 3 . Andrea. 343. 
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; 
lid deciduous; calyptra bellshaped . . Anictangium. 347. 
Caps, not cut, pedicelled; recept . sessile; 
ltd 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 mem- 
brane 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, 
2 z 2 
