Botany. 



fi3 



bluffs, on the west side of the river. The former was also found on 



the range and in the Badlands. 



On the bottoms, which are very sandy, we found Astragalus latiflorus 



and A. Jcentrophyta in abundance. Also Dalea alopecuroides, D. laxi- 

 flora, Croton texensis, Artemisia canadensis, A. filifolia, Stipa comata, 



Oryzopsis cuspidatus, Munroa squarrosa, Euphorbia petaloidia and E. 



hexagona. The principal timber tree of the bottom is Popultu monili- 

 fera while Shepherdia makes most of the thickest growth. Elm, ash, 

 boxelder, willow, and hackberry tree occurred, but seldom in any great 

 quantities at this place. 



Farther up the river these are more abundant. The cottonwood 

 always predominates however. The trees of this species are seldom so 

 high as those seen in Eastern Dakota or Nebraska, but are of a much 

 more close or bushy growth, due doubtless to the fact that the winds 

 often break out the tops, thus producing more branches. 

 (Concluded in February Number.) 



