BARNES NORTH AMERICAN MOSSES. 207 



II. Capsule vertically striate and sulcate when dry, or smooth. 



Distinctly striate. 

 Leaves plane or slightly concave. 



Oblong or lanceolate above, calyptra scabrous E. rhabdocarpa, 181. 

 Short, often subspatulate, calyptra not scabrous E. leiomitra, 231. 

 Leaves revolute all around, narrow . . . E. Alaskaiia, 240. 

 Smooth or faintly striate. 

 Calyptra entire or lacerate at the base. ' 



Smooth at the apex . . . . / E. commntata, 180. 

 Papillose or spinose at the apex. 



Costa long excurrent .... E. subspathnlata, 836. 

 Costa percurrent or vanishing. 



Capsule minutely wrinkled lengthwise . E. Ynlgaris, 181. 

 Capsule smooth when dry E. leiocarpa, 239. 



Calyptra fringed at base, peristome present. 



Leaves apiculate-acuminate E. ciliata, 183. 



Leaves muticous E. Macounii, 182. 



E. apophysata N. & H., sec. Schimper Synop. Muse. Europ. 345 [ed. 2] 

 collected by Drummond is probably an error. See Appendix, no. 241. 



CALYMPERES, p. 184. 



Leaves oblong or broad-ovate. 



Upper leaves very obtuse, often filamentose at apex C. Richardi, 184. 



Upper leaves acute, often filamentose in middle C. disciforme, 184. 



Leaves narrowly panduriform, obtuse or retuse C. (?) crispum, 184. 



SYRRHOPODON, p. 185. 



Leaf margins bilamellate upwards ... S. Floridanus, 185. 



Leaf margins single throughout .... S. Texanus, 185. 



TETRAPHIS, p. 186. 



Pedicel straight v T. pellucida, 186. 



Pedicel geuiculate at middle .... T. geniculata, 187. 



DISSODON, p. 189. 



Seta short (5 mm.), thick, capsule erect, chestnut 



brown D. Hornschnchii, 189. 



