291 



var. gracilescens Schimp. Wisconsin: Princeton, slor. 



(1617, 1618). Wyoming: Yellowstone National Park, 

 atcr. (1508). Washington: Cascaden, Enumclaw, c. fr, 



(375, 389), 



B. turbinatum (Iledw.) Schwaegr, 



Montana: Rocky Mountains, Deer Lodge, ster. (1382). 



Wyoming: Yellowstone , National Park, ster. (1503a; 

 f. foL marginibus omnino planis). 



B, Duvalii Voit. 



Washington: Cascaden; Kahchess Lake, ster. (812). 



B. pallens Sw. 



Oregon: Mount Hood, c. fr. (1075a). Wyoming: Yellow- 

 stone National Park, c. fr. (1505 a). 



B. Atwateriae K. Miill. 



Washington: Cascaden, Eastern, stor. (620), Enumclaw, 



ster. (372, 373). Vancouver Island: Victoria, ad 

 rupes litoreas, ster. (53). 



B. Muehlenbeckii Br. eur. 



■ Oregon: Mount Hood, ster. (s. n.). Wyoming: Yellow- 

 stone National Park, ster. (1513). Washington: 

 Cascaden, Easton, c. fr. (621), Rigi ad Clcaluru Lake, 

 ster. (912), Ellensburgh, c. fr. (964). 



B. argenteum L, 



Illinois: Chicago, c. fr. (1779). Indiana: Hobart, Calumet 



River, c. fr. (1778). 



B. caespiticium L. 



Illinois: Chicago, c. fr. (1783). Indiana: Hobart, Calumet 



River, c. fr. (1784), Minnesota: Minneapolis, c. fr. 

 (1614). Idaho: Coeur d'Alene, c. fr. (1184, 1188), 

 Pend d'OreiUe, c. fr. (1187). Oregon: Mount Hood, 

 c. fr. (1074, 1075). Montana: Rocky Mountains, 

 Heron, c. fr. (1283), Helena, c. fr. (1388), Ravalli, 

 c. fr. (1280). Wyoming: Yellowstone National Park, 

 c, fr. (1516, 1519). Washington: Cascaden, Easton, 

 c. fr. (622, 623, 626, 628), Clealum Lake, c. fr. (913), 

 Kahchess Lake, c. fr. (809, 811), Roslyn, c. fr. (639), 

 Enumclaw, c. fr. (383), Ellensburgh, c. fr. (965, 966). 

 Vancouver Island: Victoria, c. fr. (s, n.). 



B. subrotundum Brid. 



Wyoming: Yellowstone J^ational Park, parce sed fert. (1511). 







