LIST OF THE PLANTS COLLECTED 65 



Artemisia biennis Willd. 



Fairly frequent in a few localities for instance along the 



north fork of the Moreau River and in the Short Pines. 



445 Artemisia cana Pursh. Small Prairie Sage. 



Abundant on the drier floodplains r.nd especially on the 

 terraces of streams. Frequent on the steppe. 



446 Artemisia canadensis Michx. 



Abundant on rocky slopes and gravelly floodplains. 

 [Artemisia caudata Michx. 

 Reported by Fromme.] 



447 Artemisia frigida Willd. Silver Sage. 

 Abundant on drier plains, badlands, terraces, etc. 



448 Artemisia gnaphalodes Xutt. Coarse Sage, Alugwort. 

 Predominant in rougher areas and found also along Little 

 Missouri floodplain. 



*449 Artemisia ludoTiciana (Nutt.) Riddeli. 



Rare on rocky talus slopes of buttes. 

 *45O Artemisia natronensis A. Nels. 



Plentiful on sandy floodplains and on rough land about buttes, 



not lacking on the steppe. 

 *45i Artemisia pabnlaris (A. Nels.) Rydb. Eastern Sage. 



Now considered by Prof. Nelson to be indistinguishable from 



A. gnaphalodes. Rare on the plains especially eastward. 



452 Artemesia tridcntata Nutt. Desert Sagebrush. 



Abundant especially on the lower terraces of the valleys and 

 badlands. Lacking on the uplands and rare or absent east 

 of the Slim Buttes. 



COMPOSITAE, tribe Senecioneae 



453 Senecio canus Hook. Silver Groundsel. 

 Badlands and buttes, frequent. 



*454 Senecio canus PitrsJiianus (Nutt.) A. Nels. 

 Common on the foothills of buttes. 



COMPOSITAE, tribe Cynareae 



*455 Carduus dakotieus A. Nels. sp. ined. Dakota Thistle. 



Not uncommon in open woods along Little Missouri Valley. 

 ^456 Car duns filipendulus (Engelm.) Rydb. 



Common in forest reserves, occasional on steppe. 

 Sig. 5. 



