230 BULLETIN OF THE UNIVERSITY OF WISCONSIN. 



ANOMODON, p. 304. 



Leaves not papillose A. Toccoae, 306. 



Leaves papillose. 



Base with large fimbriate-papillose auricles. 

 Margins reflexed near apex, replicate below middle A. Californicus, 306. 

 Margins not at all reflexed .... A. apicalatus, 306. 

 Base not auriculate. 



Leaves filiform acuminate. 

 Decurrent, paraphyllia broad ... A. heteroideus, 413. 

 Not decurrent, paraphyllia none ... A. rostratus, 305. 

 Leaves obtuse or apiculate. 

 Branches attenuate . . . . .A. attenuatus,^ 305. 

 Branches not attenuate. 

 Leaves open-erect, teeth nodose . . A. obtiisifolius, 305. 

 Leaves secund, teeth not nodose . . A. viticnlosus, 306. 



PYLAIS-<EA, p. 308. 



Segments free, split below, leaves quite entire or denticulate at apex. 

 Leaves ecostate or faintly eostate at the base. 



Plants glossy green P. polyantha, 308. 



Plants pale yellowish green ... P. heteromalla, 308. 



Leaves distinctly bicostate . . .P. pseudoplatyg-yrium, 417. 

 Segments for )^ or less adherent to the teeth. 



Leaves ovate lanceolate, acuminate, margin not re- 

 curved . . P. intricata,* 309. 



Leaves filiform acuminate . . . .P. lilari-acuminata, 419. 



Leaves short acuminate, one or both edges recurved P. Selwynii, 4I8. 



Segments wholly adherent P. velutiiia, 309. 



HOMALOTHECIUM, p. 309. 



Costa short, simple or forking, vanishing below middle. 

 Teeth red, operculum rostrate . . . H. snbcapillatuni, 310. 

 Teeth yellow, operculum short apiculate . . H. corticolum, 



1 See Appendix, no. 412. 



^ From the description given I am unable to separate P. Ontariensis C. M. and Kindb. 

 See Appendix, no. 419a. 



