BARNES — NORTH AMERICAN MOSSES. 211 



Not margined, sheathing . . . B. glauco-viridis, 251. 

 Leaves circinate, long sheathing . B. circinnulata, 258. 



PHILONOTIS, p. 208. 



Leaves plicate lengthwise. 

 Leaf cells linear, costa excurrent ... P. Moliriana, 210. 



Leaf cells rectangular or oval, costa percurrent or 



vanishing P. seriata, 262. 



Leaves not plicate lengthwise. 

 Leaf cells quadrate, slightly papillose . . .P. Macounii, 208. 

 Leaf cells oblong hexagonal, slightly papillose P. glabriuscula, 263. 



Leaf cells rectangular to linear. 



Cilia two, rudimentary .... P. Muhlenbeckii, 208. 

 Cilia two, half as long as or equaling segments. 

 Mouth of capsule with 8 rows of transversely 



elongated cells P. fontana,i 209. 



Mouth of capsule with 4 rows of transversely 



elongated cells P. calcarea, 209. 



MEESIA, p. 212. 



Leaves entire, margins reflexed or revolute. 



Synoicous, costa very thick (i leaf base) . . M. uliginosa, 212. 



Autoicous, costa narrow (| leaf base) . . M. Albertinii, 213. 



Leaves entire, margins plane M. longiseta, 212. 



Leaves serrate M. tristiclia, 213. 



MIELICHHOFERIA, p. 214. 



Leaves lanceolate, sharply serrate at apex . . . M. uitida, 214. 

 Leaves broad ovate, entire, or slightly crenulate above M. cuspid ifera, 264. 



WEBERA, p. 215. 

 [-Brj/Mwi Froudei and -B. angustirete will be sought here.] 



L Leaves with a reddish border, distinct to apex W. Tozeri, 222. 



II. Leaves not bordered, or indistinctly. 



1 See Appendix, nos. 259-261. 



