214 



BULLETIN OF THE UNIVERSITY OF WISCONSIN. 



BRYUM, p. 223. 



Upper leaf cells rhombic to hexagonal (sublinear in BB. Froudei and 



angustirete). 

 Plants not from stolons. 



Cilia none, or inappendiculate . ... . 1. Cladodium. 

 Cilia 2-4, appendiculate . . . . 11. Eubryum. 



Plants from stolons 111. Rhodobryum.. 



Upper leaf cells linear (1 : 10-15), branches julaceous IV. Anomobryum, 



1. Cladodium. 

 A. Autoicous. 



B. calophyllum, 227. 



. B. Brownii, 224. 

 B. main Hint inn, 288 ~ 



Leaves broad (1 : 2) costa vanishing 

 Leaves ovate-lanceolate or long acuminate. 

 Cilia 2, long, smooth .... 



Cilia 3, short 



Cilia none, or rudimentary. 



Capsule symmetric, pyriform, collum ^ sporangium. 

 Leaves faintly bordered, serrate above, slightly 



revolute B. Warneum, 226* 



Leaves faintly bordered, margin entire, distinctly 



revolute B. Edwardsiamim, 291* 



Leaves very distinctly bordered, broadly revo- 

 lute ...... B. Biddlecomiae, 226. 



Capsule usually unsymmetric, elongate, collum = 



sporangium B. uliginosum, 227. 



B. Synoicous, or heteroicous. (C) 

 Costa long excurrent. 



Endostome attached to peristome. 

 Spores verruculose -. 

 Spores smooth, about 30ju 

 Spores smooth, 20-25/*. 

 Teeth orange red 

 Teeth pale . * * 

 Endostome free, or slightly attached. 

 Seta 3-4 cm. long, capsule 1 : 2.5-3. 

 Upper leaf cells long hexagonal 



B. arcticum, 224. 

 B. pendulum, 225. 



B. angustirete, 284. 

 . B. Roellii, 285. 



B. inciinatum, 1 225. 



i B. stenotrichum C. Mull, will be sought here ; and I am unable from the description 

 alone to discover any essential difference between it and B. inciinatum. See Appendix, 

 no. 290. 



