1899] MACOUN LIST OF PLANTS. 215 



POLEMOMIUM HUMILE, var. PULCHELLUM, Gray. 



Klondike River, May 14th. 



Mertensia paniculata, Don. 



Bonanza Creek, May i8th; bank of Klondike behind Dawson, 

 June I ith. 

 Pentstemon cristatls, Nutt. 



Chandindu River. This may be a new species. 



Castilleia pallida, Kunth. 



40-mile Creek. 

 Pedicularis euphrasioides, Stephan. 



Chandindu River. 

 Dracocephalum parviflorum, Nutt. 



Chandindu River. 

 Chenopodium capitatum, Benth. & Hook. 



Chandindu River. 



Polygonum alpinum, Linn. 

 Chandindu River. 



Shepherdia Canadensis, Nutt. 



Klondike River, May 14th. 

 Comandra livida, Richardson. 



Chandindu River. 



Betula papyrifera, Michx. 



Yukon River at Dawson, May ist. 



Betula glandulosa, Michx. 

 Chandindu River. 



Alnus incana, Willd (?) 



Yukon River, May ist. Too youn^. 



Salix arctica, R. Br. 



Chandindu River. 

 Salix Scoulerian.\, Bebb. 



Yukon River, May ist. 



Salix reticulata, Linn. 

 Chandindu River. 



S.\LIX (?) 



Bank of Klondike behind Dawson, May 21st. Too young. 



