THE PLANTS OF THE PEIBILOF ISLANDS. 579 



Bryum obtusifolium, Lindb. 



St. Paul Island. (Palmer.) 

 Bryum erythrophyllum, Kinclb. 



St. Paul Island. (Palmer.) 

 Mnium subglobosum, Bi-. and Sch. 



St. Paul Island. (Dr. Merriam.) 

 Fsilopilum arcticum, Brid. 



Common on earth on St. Paul Island. (J. M. Macoun; Palmer.) , 

 Fogonatum dentatum, Brid. 



On earth, St. Paul Island. (J. M. Macoun.) 

 Fogonatum alpinum, Boehl. 



On earth and rocks, St. Paul Island. (Dr. Merriam; Palmer; J. M. Macoun.) 

 Fogonatum alpinum, RoehL var. septentrionale, Brid. 



On rocks, St. Paul and St. George islands. (J. M. Macoun.) 

 Fogonatum alpinum, Roehl. var. microdontium, Kindb. 



Separated from the species by its nearly entire or indistinctly denticulate leaves. 



St. Paul Island. (Palmer; J. M. Macoun.) 



Folytrichum strictum. Banks. 



St. Paul Island. (Dr. Merriam.) Perhaps the next. 

 Folytrichum boreale, Kindb. 



Differing from the nearly allied P. hyperboreum principally in the leaves being 

 distinctly dentate above; the apex hyaline in the upper part, red in the lower. 



St. Paul Island. (J. M. Macoun.) 



Brachythecium albicans, Br. and Sch. 



St. Paul Island. (Palmer.) 



Brachythecium rivulare, Br. and Sch. 



St. Paul Island. (Dr. Merriam.) 

 Burhynchium vaucheri, (Schimp.). 



On rocks, St. George Island. (J. M. Macoun.) 

 Flagiothecium pulcheUum, Br. and Sch. 



On other moss. St. Paul Island. (J. M. Macoun.) 

 Hypnum uncinatum, Hedw. 



St. Paul Island. (J. M. Macoun.) 

 Calliergon oordifolium, Hedw. 



St. Paul Island. (J. M. Macoun.) 

 Hylocomium splendens, Schimp. 



St. Paul Island. (Dr. Merriam; Palmer.) 

 Hylocomium alaskanum, Schimp. 



St. Paul Island. (J. M. Macoun.) 

 Hylocomium squarrosum, Schimp. , 



St. PauIIsland. (Dr. Merriam; Palmer; J. M. Macoun.) 



