Botanical Papers. 195 



Aristolochiaceae. 



Shepherdia canadensis Nutt. Yellow buffalo-berry. 



This species and the next are to be found in nearly all of the creek 

 valleys of the reservation. The fruit is used much by the Indians. 

 The whites also use it for making jelly, which they highly prize. 

 Shepherdia argentia Nutt. Scarlet buffalo-berry. 

 Utricaceee. 



Ulnius fluva Michx. Red elm. 



Common along streams. It grows to be a large tree. 

 Ulmus americana Linn. White elm. 



Not common. 

 Celtis occidentalis Linn. Hackberry. 

 Cannabis sativa Linn. Hemp. 



Grows in barn-yards and cultivated bottom lands. 

 Humulus lupulus Linn. Hop. 

 Common along streams. 

 CupuliferEe. 



Quercus obtusiloba Wood. Post oak. 



Common. 

 Quercus macrocarpa Michx. Bur-oak. 



Banks. This species furnishes over half of the wood of the region. 

 Quercus macrocarpa, var. depressa, Engelm. 



A dwarf species found in the deep, dry streams and ravines. It ranges 

 in height from two feet to four feet. 

 Salicacete. 



Salix amygdaloides Anders. 

 Salix rostrata Richardson. 



Found on banks and at the water's edge along streams. 

 Salix longifolia Muhl. 



This willow is found principally on White River flat. A bunch was 

 found at the Ring Thunder day school. 

 Populus monilifera Ait. Cottonwood. 



Borders of streams. 

 Populus heterophylla Wood. 

 Same as P. monilifera. 

 Coniferge. 



Pinus banksiana Lambert. Northern scrub-pine. 



This tree is occasionally met with on the high points of the reserva- 

 tion. 

 Pinus pondorosa Dougl. 



This tree is found on the high points and along the breaks of the Loup 

 Fork (Arickaree) formation. 

 Juniperus virginiana Linn. Red cedar. 



Robison bad lands and on all the other Miocene Clay bad lands of the 

 reservation. It ranges from a scrub to a tree twenty to forty feet 

 in height. 

 Iridacese. 



Sisyrinchium angustifolium Mill. Blue-eyed grass. 

 Common ( May and June) . 



