1 70 



to three miles back into the coteaus iu which the sugar 

 maple is abundant. Many of the trees are sixty to 

 seventy feet high and eight to ten feet in circumference. 

 As soon as the creek emerges from the hills into the 

 open prairie all the trees except the white elm, box 

 elder and two willows disappear. The coulees are nar- 

 row and deep, and the banks are lined with springs 

 which furnish a constant supply of water. The southern- 

 most coulee in which maples were found is one-half 

 mile south of Sisseton Agency. 



Acer Neg-untlo, ly. Box Elder. Ash-leaved Maple. 



Abundant along lakes and streams throughout the 

 state. 



Balsaminace^. — Jewel-weed Family. 



Impatiens biflora, Walt. Spotted Touch-me-not. 



Impatietis /iilva. 



In damp woods in the Minnesota and Sioux valleys. 



Impatiens aurea, Muhl. Pale Touch-me-not. 



Impatiens pallida^ Nutt. 



In moist woods in the Minnesota valley. 



Rhamnace^. — Buckthorn Family. 



CeaiiotliuH velutiiius, Dougl. Velvety Redroot. 

 In the Black Hills near Lead City. 



Ceanothiis Fenclleri, Gray. Fendler's Redroot. 



Common in limestone districts in the Black Hills. 



ViTACE^. — Grape Family. 



Vitis Vulpiiia, L. Riverside Grape. 

 l/itis T'iparia, Michx. 



Common along streams and bordering lakes from the 

 Missouri river eastward. 



Partheiioeissiiw quiiiquefolia, (L.) Planch. False Vir- 

 ginia Creeper. Woodbine. 



