GEOLOGICAL SUEVEY OF THE TERRITORIES. 481 



Blitum capitatum, L. — Denver. 



Blitum maritimum, Nutt, — Wyoming Territory ; August to September. 

 Obione argentea, Moq. — Wyoming Territory; August to September. 

 Salicomia Virginica, L. — Big Sandy, Wyoming Territory; September 8. 

 Whole plant of a bright-red color. 



AMAEANTACE.3E. 



Froelichia Floridana, Moq. — Denver. 



Montelia tamariscina, Gray. — Wyoming Territory ; August to Sep- 

 tember. 



POLYGONAC1EJE. 



Polygonum Bistorta, L. — Sear Denver ; Uinta Mountains. 



Polygonum aviculare, L., var. erectum, Both. — Denver; North Park, 

 Colorado Territory. 



Polygonum tenue, Michx., var. — Denver. 



Polygonum ramosissimum, Michx. — Wyoming Territory. 



Polygonum dumetorum, L. — Wyoming Territory. 



Bumcx maritimum, L. — Wyoming Territory ; August to September. 



Oxyria digyna, B. Br. — Uinta Mountains, Wyoming Territory. 



Eriogonum umhellatum, Torr. — Denver; Wyoming Territory. 



Eriogonum umbellatum, Torr., var. monocephalum, Torr and Gray, Rev. 

 Erigon., p. 160. 



Eriogonum alatum, Torr., var. glabriusculum, Torr., Eev. Erigon, p. 

 154. — Denver ; North Park, Colorado Territory. 



Eriogonum microthecum, Nutt., var. effusum, Torr. and Gray, 1. c, p. 

 172. — Denver; North Park, Colorado Territory;- Wyoming Territory. 



Eriogonum brevicaule, Nutt. — Wyoming Territory; August to Sep- 

 tember ; with yellow flowers. 



Eriogonum annuum, Nutt. — Denver. 



Erigonum cernuum, Nutt. — Wyoming Territory ; August to Septem- 

 ber. 



EL^AGKACE^E. 



Shepherdia Canadensis, Nutt. — Uinta Mountains, Wyoming Territory. 

 Shepherdia argentea, Nutt. — Henry's Fork of Green Eiver, Wyoming 

 Territory. 



EUPHORBIACE2E. 



Euphorbia petaloidea, Engelra. — Denver. 



Euphorbia marginata, Pursh. — Denver. 



Euphorbia montana, Engelm. — Mountains near Denver. 



Groton muricatum, Eutt. — Near Denver. 



BETTJLACE.ZE. 



Betula papyracea, Ait., var. pumila, Eegel, in DC. Prod. — Henry's 

 Fork of Green Eiver. 



Alnus serrulata, Ait., var. rugosa, Eegel. — Henry's Fork of Green. 

 Eiver. 



SALICACE.ZE. 



Salix cor data, Muhl. — Wyoming Territory; August to September. 



Salix longifolia, Muhl. — Denver ; Wyoming Territory. 



Salix lucida, Muhl, var. angusUfolia, Anders.-^Henry's Fork of Green. 

 Eiver. 



Populus Canadensis, Desf., var. angusUfolia, Westmael in DO. Prod* 

 (P. angusUfolia, Torr.)— Henry's Fork of Green Eiver. 

 31 G 



