1899] MACOUN— LIST OF PLANTS. 211 



Nasturtium palustre, DC. var. hispidum, Fisch. & Mey. 

 Chandindu River. 



Arabis Holbcellii, Hornem. 



Bank of Klondike behind Dawson, June iith. 

 Arabis lvrata, var. occidentalis, Wat. 



Chandindu River. 

 Barbarea vulgaris, var, arcuata. Hook. 



Chandindu River. 

 Erysimum cheiranthoides, Linn. 



Klondike River, June 30th ; Chandindu River. 

 Erysimum parviflorum, Nutt. 



Bank of Klondike River behind Dawson, June 13th. 



Erysimum, Sp. 



A specimen in flower was gathered on June 13th on the 

 Chandindu River. The flowers are light yellow and too large for 

 E. parviflorum and the young pods are hardly that species. A 

 specimen in flower which seems to be related to Erysimum is 

 indeterminable. Chandindu River. 

 Brassica Sinapistrum, Boiss. 



Introduced. Chandindu River. 



Draba incana, DC. 



Klondike River, May i6th. 

 Lychnis triflora, var. Dawsoni, Robinson. 



Chandindu River. 



Cerastium maximum, Linn. 



This species is common in Siberia, and is reported from 

 Alaska. Chandindu River. Our first record. 

 Arenaria capillaris, var. Formosa, Fisch. 



Chandindu River. 

 Arenaria lateriflora, Linn. 



Bank of Klondike River behind Dawson, June nth. 



Arenaria physodes. DC 



40-mile Creek. X'^fCyQX. 



Stellaria BOREALis,.Bigel. /■X' ^<!rs~>^ €y 



Chandindu River. 



