16 Wisconsin Academy of Sciences , Arts and Letters . 
Lid convex or flatfish, beaked. 
Plants large (2 cm. +), leaves distichous . . Eustichia, 94. 
Plants large, leaves pluriseriate, papillose. 
Leaves linear-lanceolate, margins plane . Auoectangium, 54. 
Leaves ovate-lanceolate, margins reflexed, hyaline 
at base.Barbula, 115. 31L 
Leaves lingulate-lanceolate, margins revolute, 
three-fourths hyaline .... Desmatodon, 110. 38, 
Plants small, leaves broader, hair-pointed or cus¬ 
pidate or serrate, not papillose .... Pottia, 100. 37. 
Plants small or minute, leaves lance-subulate . Anodus, 96. 
Lid long-clavate .. Encalypta, 180. 50.. 
* * Leaf-cells plainly elongated , distinct. 
Lid small, convex or short-conic, capsule microstome. 
Leaves vertically inserted , Scliistostega, 188. 
Leaves subulate, dentate .... Bartramia, 203. 53.. 
Leaves broad, entire, calyptra enclosing cap¬ 
sule .Pyramidula, 196. 
Lid large (rarely small), capsule macrostome. 
Capsule splitting at the middle . . . Aphanorliegma, 196. 
Capsule dehiscing regularly above the middle, not 
covered by calyptra .... Physcomitrium, 196. 52.. 
2. Mouth of the capsule furnished with a peristome. 
* Peristome single. 
Teeth articulate. 
Teeth eight. 
Leaves thick, coriaceous .... Octoblepharum, 91. 
[Ortliotriclium and Ptycliomitrium (§ Notarisia) may be sought here.] 
^ Teeth sixteen, calyptra mitrate. 
9 
= Calyptra plicate. 
Teeth cribrose, purple ...... Coscinodon, 154. 46. 
Teeth filiform, trifid.Ptycliomitrium, 156. 46. 
Teeth approximate or connate in pairs. 
Lanceolate to subulate, papillose . . . Ptycliomitrium, 156. 46. 
Triangular-lanceolate, articles quadrate. 
Basal leaf-cells linear, chlorophvllose . . . Ulota, 160. 46. 
Basal leaf-cells hexagono-rectangular, hyaline Ortliotriclium, 164. 47.. 
Teeth short, pale, fragile .... Macromitrium, 178. 50.. 
