OF TEE UPPER MISSOURI. 
187 
RUTACEiE. 
Xanthoxylum Amerlcanum , Mill. Woody bottoms and islands of the Missouri, to 
Fort Pierre. 
Ptelia trifoliata, Linn. Around Council bluffs. 
ANACARDIACEiE. 
Pit us glabra , Linn. Council bluffs, White river valley. 
Rhus copallina, Linn. Abundant in Missouri and Kansas. 
Rhus toxicodendron, Linn. Abundant in woody places to the mountains. 
Rhus aromatica, Ait. Along Missouri. 
Rhus trilobata, Nutt. First makes its appearance about latitude 43°, and occurs abun¬ 
dantly on sterile hills to the mountains. 
VITACEvE. 
Vitis cord,folia , Michx. 
Vitis riparia , Michx. Banks of Missouri, Bellevue, N. T. 
Vitis indivisct , Willd. Big Sioux river. 
Ampelopsis quinque,folia, Michx. Very common in woody bottoms throughout the 
country, but grows most luxuriant in the rich woods from the mouth of the 
Missouri to Big Sioux, where it often so clothes old dry trees that they seem still 
alive. 
RHAMNACEiE. 
Geanothus Fendleri. Laramie mountains. 
Geanothus velutinus , Douglas. Black hills. 
Geanothus sanguineus, Pursh. Mouth of White river. 
Geanothus ovalis , Bigelow, var. yubescens. Common on the cretaceous hills below 
Fort Pierre; also in the sand hills of Loup fork, on the Niobrara river. 
Rhamnus lanceolatus, Pursh. Council bluffs. 
CELASTRACEvE. 
Celastrus scandens, Linn. Along Missouri to Fort Union. 
Euonymus atropurpureus , Jacq. Woody bottoms to Fort Union. 
Euonymus Americanus , Linn. Mouth of Platte. 
SAPINDACEiE. 
Staphylea trifolia , Linn. Council bluffs. 
Aesculus glabra , Willd. Missouri bottoms to Big Sioux river. 
Acer glabrum, Torr. Laramie mountains, August 24th. 
Acer dasycarpum , Ehrhart. Bellevue, Nebraska. 
Acer rubrum, Linn. Highest limit on Missouri, latitude 42°. 
Acer saccharinum, Wang. Limestone regions of Kansas and southern portion of 
Nebraska. 
