492 GEOLOGICAL SUEVEY OF THE TEREITOEIES. 



Gentiana Farryi, Engelm. — Gray's Peak, Colorado Territory, Dr. 

 Smith. 



Apocynace^. 



Apocynum cannabinum, L. — Mud Springs. 



Apocynum androscemifoUum, L. — Fort Ellis to the Yellowstone. 



Acerates decumhens, Decaisne. — Madison Valley. 



Nyctaginace^. 



Oxybaphus angustifoUus, Sweet. — Madison Valley ; Crow Agency. 



Abronia fragrans, Nutt. — Great Salt Lake. 



Abronia fragrans, Nutt., var. — Yellowstone Lake. — Varies from tlie 

 type in its smaller involucral bracts, which do not exceed three lines in 

 length, and its more delicate and branching habit. 



Chenos>odiaoeje. 



Chenopodium album, L. — Mud Springs ; Yellowstone Lake. 

 Clienopodkmi hybridum, L. — Fort Ellis to the Yellowstone; Mud 

 Springs. 

 Blitum capitatum, L. — Pleasant Valley ; Yellowstone Lake. 

 Blitum polymorphum, E. Meyer. — Fish Creek, Jefferson Valley. 

 Monolepis chenopodioides, Moq. — Pleasant Valley ; Crow Agency. 

 Obione canescens, Moq. — Madison Valley, Medicine Lodge. 

 Suceda depressa, Ledeb. — Crow Agency. 



AMAEANTACEiE. 



Amarantus albus, L. — Fish Creek ; Jefferson Valley. 



Polygonace^. 



Uriogonum ccespitosum, ISTutt. — Pleasant Valley ; Northern Idaho. 



Eriogonum heracleoides, IsTutt. — Utah Territory; Fort Ellis to the Yel- 

 lowstone. 



Eriogonum umbellatum, Torr. — Utah Territory; Pleasant Valley; 

 Stinking Water Creek ; Yellowstone Lake. 



Eriogonum oimlifolium, Kutt. — Stinking Water Creek; Yellowstone 

 Lake. 



Eriogonum microthecum, Nutt. — Between Madison and Jefferson Elv- 

 er : Gallatin Eiver. 



'Oxyria digyna, Campd. — Pleasant Valley ; Yellowstone Lake ; Upper 

 Falls of the Yellowstone. 



Bumex salicifolius, Weinm, — Stinking Water Creek; Yellowstone 

 Lake. 



Bumex paiicifolius, IsTutt. — Pleasant Valley; Northern Idaho. 



Folygonum viviparum, L. — Falls of the Yellowstone. 



Folygonum Bistorta, L., var. oblongi folium, Meisn. — Pleasant Valley ; 

 Hot Sulphur Springs; Falls of the Yellowstone. 



Folygonum ampliibium, L. — Yellowstone Lake; Medicine Lodge. 



Polygonum lapatliifolium, Ait., var. incanum, Koch. — Madison Eiver. 



Polygonum temce, Michx. — Fort Ellis to the Yellowstone; Mud Springs; 

 Yellowstone Lake. 



Polygonum tenue, Michx., var. latifolium, Engelm. — Mud Springs. 



