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Plagiothecium pilifcrum (Swartz) Br. & Sch. Macdonald 

 Lake, Columbia Falls, June (271). 



Plagiothecium fulchellum (Dicks.) Br. & Sch. Belts Mts., 

 Columbia Falls, July (288). 



Plagothecium denticulatum (L.) Br. & Sch. Two-medicine 

 Lake, Columbia Falls, July (268). 



Plagiothecium Sihsiacum (Seliger) Bruch. Columbia 

 Falls, July (260). 



Amblystegium Sprucci (Br.) Br. & Sch. Belt Mts., Two- 

 medicine Lake and Little Badger Cr., Blackfeet Ind. Re- 

 serv., Columbia Falls, Aug. (154). 



Amblystegium serpens (Hedw.) Br. & Sch. Highwood 

 Mts., Columbia Falls, June (129). 



Amblystegium varium (Hedw.) Lindb. Columbia Falls, 

 June (14). 



Amblystegium comf actum (Hook.) Aust. Highwood 

 Mts., Great Falls, Columbia Falls, Aug. (80, 85). 



Amblystegium filicinum (L.) De Not. Belt Mts., Great 

 Falls, Columbia Falls, June (1). 



Amblystegium filicinum trichodes (Brid.) Steudel. Col- 

 umbia Falls, in dryer places than the preceding (334). 



Amblystegium noterophilum (Sulliv.) Holzinger. Giant 

 Spring, Great Falls (92). 



Amblystegium riparium (Hedw.) Br. & Sch. Belt Mts., 

 Great Falls, Columbia Falls, June (79). 



Hypnum Halleri Linn, fil. Nyack and Essex, G. N. Ry., 



Au g- (349)- 



Hypnum hispidulum Brid. Columbia Falls, Aug. (229). 



Hypnum chrysophilum Brid. Belt Mts., Columbia Falls, 

 June (176, 199). 



Hxpnum stellatum Schreb. South Fork Flathead River, 

 Columbia Falls, Aug. (201). 



Hypnum internedium Lindb. Columbia Falls. Stem 

 sections of this plant show an outer wall of large, thin cells 

 next several rows of thickened cells and a distinct central 

 strand. In appearence it is much like revolvcns and Scndt- 

 neri (414)- 



