GEOLOGICAL SURVEY OF THE TERRITORIES. 779 



ASCLEPIADACE^. 



Aselepias speciosa, Torr. — Port Neuf Cauou, Idaho, July; Soake River 

 Valley. 



Acerates decumbens^ Decaisne. — Hot spriugs ten miles from Ogdeu, 

 LTtab, Juue. 



NYCTAGINACEyE. 



Ahronia fragrans, ISTutt. — Foot-hills near Ogden, Utab, June. Two or 

 three species of Ahronia were collected but uutbrtanately lost. 



CHENOPODlACE^Ii. 



Ghenopodium alburn^ L. — Port '^ewf CaQon, Idaho, July ; Twin Buttes 

 on Henry's Fork of Snake River. Common everywhere on the route. 



Ghenopodium alburn^ L., var. leptophyllnm, Moq. — Snake River Vallej', 

 July. 



Ghenopodium album, L., var. " Near the var. integrifolium, Ledeb." 

 Professor Porter. — Yellowstone Lake, August. 



Ghenopodium hybridum, L. — Henry's Fork of Snake River, July; Yel- 

 lowstone Lake, August. 



Blitum capitatum, L. — Henry's Fork of Snake River, August ; Tetou 

 Basin, July. v 



Blitum polpnorphum, C. E. Meyer, var. /mwit^ Moq.^Near Great Salt 

 Lake, Utah, June. 



Monolepis chenopodioides, Moq. {Blitum Wuttallianum, R. and S.) — Teton 

 Basin, July. 



Obione caiie,scens, Moq. — Great Salt Lake, Utah, June ; Blackfoot River, 

 Idaho, July ; Port JS'euf Canon ; Marsh Valley. 



Qbione conferti/olia, Torr. — Great Salt Lake, Utah, June. 



Obione argentea, Moq. — Great Salt Lake, Utah, June; Snake River 

 Valley, July. 



Grayia polygaloides, Hook, and Arn. — Snake River Plains, July. 



Eurotia lanata, Moq. — Xear Great Salt Lake, Utah, Juue; Snake 

 River Plains, July. "Known as 'white sage' and 'winter fat.' Is 

 valuable for fattening stock." Watson. 



Kochia prostrata, Shrad. — Near Fort Bridger, Wyoming, August. Br. 

 Joseph Lcidy, 



Salicornia herbaeea., L. — Great Salt Lake, Utah, June ; Lower Fire-Hole 

 Basin, August. 



Halost-aohys occidentalism S. Watson, (Clarence King's Rep., vol. v, p. 

 293.)— Xear Great Salt Lake, June. 



Sarcobatus vermiculatus, Torr. [Fremontia vermicularis, Torr. Frem. 

 Rep.) — Black B.uttes, Utah, June. Known as " grease- wood." 



AMARANTACE^. 



Amarantus alhus, L. — Snake River Valley, July. " Remarkably red 

 for the species." Professor Porter. 



POLYGONACB^. 



Eriogomun heracleoides, Nutt. — Near Ogden, Utah, June; along the 

 Yellow;stone, elevation G,200 feet, August ; Snake River Valley, July. 

 Eriogomim umbellatum, Torr. — Near Ogden, Utah, June. 



