780 GEOLOGICAL PURVEY OF THE TERRITORIES. 



Eriogonum {Reterosepala) ovalifolium, Nutt. — IsTearOgdeu, Utah, May; 

 Lower Fire-Hole Basiu, August ; Suake River Valley, July. 



Eriogonum ovaUfoUum, Nutt., var. tennis, Beutb. — Near Bozeman, 

 Moutana, elevation 6,400 feet, July. 



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

 Lake, Idaho, August. 



Eriogonum microthecum, Nutt. — Port Neuf Canon, Idaho, July ; Snake 

 River Valley. 



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

 Dr. Joseph Leidy. 



Eriogonum cernuum., Nutt., var. tenue, T. and G. — Suake River Valley, 

 July. 



Eriogonum Jlavuni, Nutt. — Snake River Plains, August ; Lower Fire- 

 Hole Basin. 



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

 Dr. Joseph Leidy. 



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

 Valley, July. 



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

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

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

 region. 



Rumex venosus, Pursh. — Snake River Valley, July 14 ; Black Buttes, 

 Utah, June 16. 



Rumex longifoUus, D. C. — Near Brigham City, Utah, June 25. 



Rumex salicifolius, Weinm. — Near Ogden, Utah, June 7; Teton Basin, 

 July 21. 



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



Rumex fAcetosaJ paucifolius, Nutt. — Snake River 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 Rep., 

 vol. V, p. 315.) — Snake River Valley, July. 



Polygonum aviculare, L., var. erectum, Roth. — Weber River, Utah, 

 June 19. 



Polygonum tenue, Michx. — T^ton Basin, August 2 ; Snake River Val- 

 ley, July. 



Polygonum tenue, Michx., var. latifolium, Engelm. — Snake River Val- 

 ley, August. 



Polygonum amphihium, L. — Henry's Fork of Snake River, August o. 



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

 Marsh and Malade Valleys, June 29. 



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

 August 10; near Red Mountain, Wyoming, September 12, 



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

 probably introduced. 



Polygonum mviparum, L.-^Fire-Hole River, August 10. 



Polygotmm Bistorta, L,, var. ohlong [folium, Meisn. — Upper Teton Canon, 

 July 2^; Henry's Fork of Snake River, August; Trail Creek Moun- 

 tains, Wyoming, September 13. 



Polygonum Bistorta, L., var. linear if olium., S. Watson, (CI. King's Rep., 

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

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



