72 BRYACEAE 



Var. rugicum B. & S. Lawrence and Oyster Bay, L. Id!!, 

 Bulls Head, S. Id.!!; Bronx Park, R. S. W. & E. G. B., Bx! 



M. cuspidatum (L.) Leyss. {M. sylvaticum Lindb.)- Com- 

 mon in damp shaded places. May. 



M. medium B. & S. " ? Wet rocks, Little Falls, N. J.," Muse. 

 App. 206. 



M. rostratum Schrad. "Wet rocks, Palisades and northern 

 N.J. & southern N. Y., rare," Muse. App. 207; Jamaica (24807)!! 

 Orient, Latham, on L. Id.; Princes Bay, S. Id. & Bronx Park, 

 E. G. B., Bx! 



B. BifERRATAE. Leaves margined, serrate with double teeth. 



M. hornum L. Wet shaded places, especially along streams 

 and around springs; common. April. 



M. lycopodioides (Hook.) Schwaegr. "On shaded rocks, 

 Northern N. J.; also on decayed logs in Herkimer Co., N. Y.," 

 Muse. App. 208. 



M. marginatum (Dicks.) P. B. "Shaded banks and crevices 

 of rocks, Palisades and northern N. J.; scarce," Muse. App. 

 210. 



M. orthorhynchum B. & S. Wallingford, Bry. Ct. 



M. riparium Mitt. Rockland Co., N. Y. and Bergen Co., 

 N. J., Austin. According to Mrs. Britton Austin's specimens 

 are not this species. 



M. spinulosum B. & S. "On rocks in a ravine at Godwin- 

 ville, N. J., also on wooded banks, Rockland Co., N. Y.," Muse. 

 App. 209; Darien, Bry. Ct. 



C. Leaves bordered {slightly so in M. cinclidioides) , entire. 



M. punctatum L. Not reported from L. Id., frequent 

 elsewhere; banks of rivulets. Early spring. 



Var. elatum Schimp. Common in swampy places. 



M. cinclidioides (Blytt.) Hueben. "Swamps and wet woods, 

 Palisades (frequent), northern N. J. and southern N. Y.," 

 Muse. App. 214 & 215. 



