\ 



780 GEOLOGICAL SURVEY OF THE TEERITORIES. 



JEriogonum {Heterosepala) ovalifoUum, Nutt. — I^earOgclen, Utah, May; 

 Lower Fire-Hole Basin, August ; Snake Eiver Yalley, July. 



Eriogonwn ovalifoUvm, Nutt., var. tenuis, Benth. — Near Bozeman, 

 Montana, elevation 6,400 feet, July. 



Eriogonum (Capitata) Kingii, T. and G. — Mountains near Henry's 

 Lake, Idaho, August. 



Eriogonum onicrotJiecum, N"utt. — Port Neuf Canon, Idaho, July 5 Snake 

 Kiver Valley. 



Eriogonum irevicaule, Nutt. — Near Fort Bridger, Wyoming, August. 

 Dr. Joseph Leicly. • ■ 



Eriogonum cernuum, Nutt., var. tenue, T. and G. — Snake Eiver Valley, 

 July. 



Eriogonum Jlavum, Nutt. — Snake Eiver Plains, August 5 Lower Fire- 

 Hole Basin. 



Eriogonum salsuginosum, Hook. — Fort Bridger, Wyoming, August, 

 Dr. Joseph Leidy. 



Oxytheca dendroidea, Nutt. — Grows in great abundance in Snake Eiver 

 Valley, July. 



Oxyria digyna, Campd. — Near Henry's Lake, Idaho, August; Teton 

 Mountains, elevation 12,000 feet, July ; Trail Creek Mountains, Wyo- 

 ming, September ; common on all the mountain-tops in the Snake Eiver 

 region. 



Bumex venosus, Pursh. — Snake Eiver Valley, July 14 ; Black Buttes, 

 Utah, June 16. 



Bumex longifolius, D. C. — Near Brigham City, Utah, June 25. 



Bumex salieifolius, Weinm. — Near Ogden, Utah, June 7; Teton Basin, 

 July 21. 



Bumex maritimus, L. — Henry's Lake, Idaho, August 8. 



Bumex (AcetosaJ paucifoliiis. Nutt. — Snake Eiver Valley, August. 



Polygonum aviculare, L. — Near Ogden, Utah, June; Henry's Lake, 

 Idaho, August 8. 



Polygonum aviculare, L., var. latifolium, S. Watson, (CI. King's Eep., 

 vol. v, p. 315.) — Snake Eiver Valley, July. 



Polygonum aviculare, L., var. erectum, Eoth. — Weber Eiver, Utah, 

 June 19. 



Polygonum tenue, Michx. — T6ton Basin, August 2 ; Snake Eiver Val- 

 ley, July. 



Polygonum tenue, Michx., var. latifoUum, Engelm. — Snake Eiver Val- 

 ley, August. 



Polygonum amphibium, L. — Henry's Fork of Snake Eiver, August o. 



Polygonum amphihium, L., var. aquaticum, Willd. — Divide between 

 Marsh and Malade Valleys, June 29. 



Polygonum amphibium, L., var. terrestre, Willd. — Madison Canon, 

 August 10 ; near Eed Mountain, Wyoming, September 12. 



Polygonum Persicaria, L.— Near Brigham City, Utah, June 25. Very 

 probably introduced. 



Polygonum viviparum, L. — Fire-Hole Eiver, August 10. 



Polygonum Bistorta,Jj., xar. oblongifolium,'M.eisn. — Upper Teton Canon, 

 July 28; Henry's Fork of Snake Eiver, August; Trail Creek Moun- 

 tains, Wyoming, September 13. 



Polygonum Bistoria, L., var. linear if oUum, S. Watson, (CI. King's Eep., 

 vol. V, p. 317.) — Mountains near Henry's Lake, Idaho, August 9; Eed 

 Mountain, Wyoming, elevation 10,000 feet, September 11. 



