207 



01i<;otrichum aligerum MitL 



Oregon: Hood River, 5000 p. alt., ster. (1086), Mt. Hood, 



in rivulo nivali, 7000 p. alt., ster. (1087). Washington: 

 Astoria, ster. (284). 



Polytrichadelphus Lyallii Mitt, 



Oregon: Mt. Hood, 7000 p. alt., in declivibus graminosis, 



c. fr. (1088, 1089), Mt. Hood, ad rivulum nivalem, 

 ster. (1090), Mt Hood, ster. (1091). 



Pogonatum alpinum L. 



Wisconsin: Kilborn, c. fr. (1628). Washington: Cascaden, 



Easton, e, fr. (656), Oregon: Astoria, c. fr. (285, 



286, 287). 



Polytrichum commune L, 



Illinois: Chicago, Calumet River, ster. (1812). Indiana: 



Hobart, ster. (1813). Washington: Tacoma, c, fr. (204). 



Polytrichum juniperinuni Willd. 



Wisconsin: Princeton, c. fr. (1624). Indiana : Hobart, 



Calumet River, c. fr. (1814). Montana: Rocky Moun- 

 tains, Heron, c. fr. (1288). Idaho: Pend d'Oreille 

 Lake, Sand Point, c. fr. (1194). Washington: Cas- 

 caden, Easton, c. fr, (658, 659), Roslyn, c. fr. (657), 

 Rigi ad Clealum Lake, 6000 ped. alt., c. fr. (915), 

 Enumclaw, c. fr. (405, 406, 407), Seattle, c. fr. (202, 

 203), Tacoma, c. fr. (205), Astoria, c. fr. (288). 

 Vancouver Island: Victoria, c. fr. (80, 81). 



Polytrichum strictum (Banks.). 

 Wyoming: Yellowstone National Park, ster, (1527). 



Polytrichum piliferum Schreb, 



Wisconsin: Princeton, c. fr. (1626)- Wyoming: Yellow- 

 stone National Park, ster. (1528). Idaho: Coeur 

 d'Alene, c. fr. (1193). Washington: Cascaden, Rigi 

 ad Clealum Lake, 6000 p. alt., c. fr. (916), Enum- 

 claw, c. fr. (408), Tacoma, c. fr. (206). Vancouver 

 Island: Victoria, c, fr. (78, 79). 



Polytrichum attenuatum Menz. in Trans. L. Soc. IV, 



p. 72, n. 7 (1798). (Syn- P. formosum Hedw, sp. 

 muse, p. 92 [1801].) 



Washington: Cascaden, Enumclaw, c. fr. (404). 



Polytrichum ohiocnse Ren. et Card. 



Illinois: Chicago, c. fr. (1811), Edgewater pr. Chicago, 



c, fr. (1815). 



20* 



