187 



Jiinciis xiphioides montanus Engelm. 



Found in Spearfish Canyon. (Custer.) 



* Salix Scoulerana Barrett. Scouler willow. 



Frequent, forming trees, in deep woods, well up on Custer's 

 Peak. 



* Alsine longipes laeta Watson. 



On hills south of Rapid City. 

 Sangninaria canadensis L. Blood root. 



Abundant in the shady gulches near Whitewood. (North- 

 eastern.) 



Melilotus alba Desr. White clover. 

 M. officinalis (L.) Lam. Sweet clover. 



Both of these clovers are now extensively naturalized near 

 Rapid. (Eastern.) 

 Hedysariun auiericanum (Michx.) Britton. Hedysarum. ' 



Also near Roubaix. (Rockford.) 



* Ceanothus ovatus Desf Oval-leaved red-root. 



Abundant in woods near Whitewood. Although this and the 

 next are recorded by Rydberg, they are not included in the cata- 

 logue. 

 Vitis vidpina L. Riverside grape. 



Common near Roubaix. (Eastern.) 

 Malva rotiindifolia L. Cheese mallow. 



Naturalized near Rapid City. (Eastern.) 

 Viola arenaria DC. Sand violet. 



Abundant on rocks near Bucks and in Spearfish Canyon. 

 (Rapid.) 

 Pastinaca saliva L. Wild parsnip. 



Escaped in Box-elder Canyon. (Rapid.) 

 Pyrola rotiindifolia L. Round-leaved wintergreen. 



In wooded ravines near Whitewood. (Lead.) 

 Pterospora andromedea Nutt. Pine drops. 



Abundant in woods on Custer's Peak and in Spearfish Canyon. 

 (Rapid.) 

 Dodecatheon Meadia paiiciflorimt Durand. Shooting star. 



Rare, on hills. Rapid City. (Custer.) 

 Stacliys aspera Michx. Rough hedge nettle. 



On moist ground in Box-elder Canyon. (Custer.) 



