11 
stomial teeth often entire (or rimose), sometimes cleft. 
Leaves opake, sometimes papillose. 
Capsule straight, sometimes narrow, without distinct 
neck. Leaves mostly narrow and not subulate-acuminate, 
often with hairpoint; cells small, often with sinuous walls, 
the upper opake but generally not well-defined from the 
lower ones; alar (subquadrate) cells not rarely distinct. 
Tufts often dense and pulvinate. Plants not seldom 
small, generally growing on rocks. 
b. Leaves generally papillose and opake above. 
Peristomial teeth often contorted. 
Fam. 24. Weisiacee. 
Calyptra cucullate, deciduous. Peristomial teeth mostly 
without a longitudinal line, sometimes wanting. 
Capsule generally straight, often narrow, without (exc. 
Dermatodon) prominent neck; teeth either partite to the 
basal tube or deeply cleft, less often entire. Leaves mostly 
broad, often crisped when dry; upper cells very small, 
well-defined from the lower ones; alar cells not distinct 
or forming a margin near the base; cellwalls (exc. Gehee- 
bia) not sinuous. Tufts often loose. Plants mostly gro- 
wing on earth and stones, often sterile. 
Fam. 25. Calymperaceze 
Calyptra persistent, dehiscing with longitudinal slits 
above, constricted below the unripe pepe. Peristome 
none. 
Capsule straight and oval without neck. Leaves 
| marrow and convolute, crisped or cirrate in dry state; 
= upper cells very small. Tufts often loose. Plants growing 
on trees, i ey fruiting. Eus : 
Subtribe 4. Diplostoma. 
Peristome generally double. — ka 
Section 1. Stenolepidew. Nicdoetondal ciet: nar- 
Leaves not ambos Po dap 
Tow, rarely confluent above. - Lorna toh sunie cub "^ 
