38 
tric, often clustered; endostome orange; cilia long-appen- 
diculate. Leaves serrate; cells diversiform, mostly narro 
the lower long-rectangular, the uppermost oblong-oval or 
hexagonal. Paraphyses filiform. 
VI. Bryee. Leaves smooth; cells yolegéniiti mostly 
not large. Capsule solitary, not striate. Stem neither 
rhizomatie nor stoloniferous. Lower leaves not squami- 
form. Tufts generally dense. 
155. Bryum. Capsule symmetric or (less often) 
asymmetric; endostome generally pale or pale-yellow; — 
cilia often appendiculate. Leaves often entire; cells diversi- - 
form, the lower (or all) more or less elongate, the upper 
seldom round-hexagonal. Paraphyses filiform. (3 
156. Leptotheca. Capsule symmetric; teeth very | 
long and narrow. | | 
Fam. 33. Buxbaumiacez. 
157. Buxbaumia. Capsule pedicellate ; peristome ; 
double. Leaves nerveless, nearly indistinct. 
158. Diphyscium. Capsule immersed; exostome 
none. Leaves costate, diversiform; the perichetial large. 
Fam. 34. Andresacez. 
159. Andreca. Leaves usually blackish or brow- . 
nish when dry. Tufts loosely cohering. Growing on rocks 
sometimes in running water. 
Fam. 35. Bruchiacez. 
I. Bruchiece. Stem distinct. Leaves costate, [;ámodfl : 
or (sometimes in Bruchia) obsoletely papillose. 
A. Capsule pedicellate, neck often distinct. Spores 
0,0?—0,4 mm. Prothallium seldom persistent. - 5 
160. Bruchia. Capsule often exserted ; columella 
persistent. Calyptra mostly campanulate, sometimes sph 
at one side. Leaves usually crowded. E. 
161. Pleuridium. Capsule usually immersed, dil 
ovoid; columella usually pusistést - Vates ots sl 
eucullate. - Leaves’ mE Spb: 
