Analytic Key to the Genera of Mosses. 
19 
Leaf-cells not enlarged at the angles. 
Teeth large, mostly cribrose. 
Pedicel little exceeding the often 
leaves . 
Pedicel long, leaves hair-pointed 
Pedicel long, leaves not hair-pointed. 
Leaves serrate just above sheathing base 
Leaves entire or crenulate above 
Teeth small, often truncate or rudimentary. 
Leaf margins involute above . 
Leaf-margins revolute or plane. 
Leaves densely papillose in the upper part 
Leaves not papillose .... 
Teeth entire. 
Capsule with a long, thick apophysis 
Capsule oval to subcylindric. 
Not ribbed when dry. 
Teeth short, leaves entire, narrow 
Teeth short, leaves serrate, broad 
Teeth linear-filiform, connate at base 
Teeth narrowly lanceolate, free 
Ribbed when dry. 
Capsule short-pyriform, turbinate when dry. 
Teeth blunt . . 
Teeth acute . . 
Capsule pyriform, not turbinate when dry. 
Plants gregarious or subcespitose 
Plants in deep, compact tufts 
Capsule ovate-globose, lid obliquely long-beaked 
Capsule globose, lid beakless, small . 
hair-pointed 
Grimmia, 134. 43. 
Desmatodon, 110. 38. 
. Eucladiuin. 1 
Didymodon, 104. 37. 
Weisia, 55. 29. 
% 
Didymodon, 104. 37. 
. Pottia, 100. 37. 
Tetraplodon, 191. 51. 
Weisia, 55. 
Syrrhopodon, 185. 
Didymodon, 104. 
Dicranoweisia, 57. 
Rhabdoweisia, 58. 
Seligeria, 96. 
Blimlia, 98. 
Entostliodon, 199. 
Mieliclihoferia, 214. 
Drummondia, 160. 
Bartramia, 203. 
29. 
50. 
37. 
29. 
29. 
36. 
52. 
53. 
-j—s- e- —i- -s—t- Teeth thirty-two. 
Teeth cancellate .Barb ill a, 115. 39. 
Teeth filiform or linear, almost terete, arising from a long 
or short basilar membrane. 
Short, slightly, if at all, twisted. 
Leaves subulate or lance-subulate from a broader 
base.Leptotriclmm, 105. 37- 
Leaves broader, lid elongated-conic . . Trichostomum, 108. 38. 
[Barbula rigidula will be sought here.] 
Leaves broader, lid short-conic or short-beaked Desmatodon, 110. 38- 
Long, twisted to the left.Barbula, 115. 39.. 
1 E. verticillatum, Br. and Sch,: Renauld and Cardot: Bot. Gaz., xiv, (1889), 99. 
