(170) 



toothed, obtuse segments ; flowers several, slender-peduncled, 

 6-10 mm. broad ; sepals broadly ovate, obtuse ; head of fruit 

 globular, 2-3 mm. in diameter; achenes slightly compressed, 

 about 1 mm. long, abruptly tipped with a hooked beak of 

 one third their length. 



Mouth of the Bonanza, June 18, 1899, R. S. Williams 

 (type) ; mouth of the Klondike, July 9, 1899, same collector. 



Ranunculus Purshii Richards. Island below Stewart 

 River (Tarleton). 



Ranunculus Lapponicus L. Klondike River (Tarleton) ; 

 near mouth of Bonanza (Williams). 



Delphinium glaucum S. Wats. Dawson (Williams) ; above 

 Fort Selkirk and below Stewart River (Tarleton). 



Aconilum delphinifolium DC. Dawson (Williams) ; Fort 

 Selkirk (Tarleton). 



Aconilum paradoxum Reichenb. ? Summit of White Pass 

 (Williams). This is an interesting plant with short obtuse 

 leaf-lobes, and larger flowers than A. d elf him 'folium. It 

 appears to be the same as specimens collected on the Hani- 

 man Expedition to Alaska by Messrs. Coville and Kearney 

 at Plover Bay and Port Clarence, Siberia. Mr. Williams' 

 specimens are referred to Reichenbach's species with much 

 doubt. 



Aquilegia brevistyla Hook. Dawson (Williams) ; Five- 

 finger Rapids (Tarleton). 



Thalictrum sparsiforum Turcz. Mouth of the Klondike 

 (Williams) ; Five-finger Rapids (Tarleton). 



Family Papa ver ace ae. 

 Papaver nudicaule L. Below Selwyn River (Tarleton). 



Family Fumariaceae. 



Capnoides aureum (Willd.) Kuntze. Lake Lebarge and 

 Bonanza Creek (Tarleton) ; Dawson and Walker Gulch 

 (Williams). 



Capnoides sempervirens (L.) Borckh. Dawson (Wil- 

 liams) ; Bonanza Creek (Tarleton). 



