GEOLOGICAL SUEVEY OF THE TERRITORIES. 481 



Blitum capitatum, L. — Denver. 



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

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

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

 Whole plant of a bright-red color. 



AMARANTACE^S. 



Frcelichia Floridana, Moq. — Denver. 



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

 tember. 



POLYGONACEJE. 



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



Polygonum aviculare, L., var. erectum, Eoth. — 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. 



Briogonum umbellatum, Torr. — Denver; Wyoming Territory. 



Briogonum umbellatum, Torr., var. monocephalum, Torr and Gray, Eev. 

 Erigon., p. 160. 



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

 154. — Denver ; North Park, Colorado Territory. 



Briogonum microthecum, Nutt., var. effusum, Torr. and Gray, I. c, p. 

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



Briogonum brevica.ule, Nutt. — Wyoming Territory; August to Sep- 

 tember ; with yellow flowers. 



Briogonum annuum, Nutt. — Denver. 



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

 ber. 



EL^AGNACE^. 



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

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

 Territory. 



EUPHORBIACE^. 



Euphorbia petaloidea, En gel m. — Denver. 



Euphorbia marginata, Pursh. — Denver. 



Euphorbia montana, Engelm. — Mountains near Denver. 



Croton mUricatum, Nutt. — Near Denver. 



BETULACE^E. 



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^J. 



Salix cordata, Muhl.— Wyoming Territory; August to September. 



Salix longifolia, Muhl. — Denver ; Wyoming Territory. 



Salix lucida, Muhl, var. angustifolia, Anders. — Henry's Fork of Green 

 Eiver. 



Populus Canadensis, Desf., var. angustifolia, Westmael in DC. Prod. 

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

 31 G 



