106 POLYGONACEAE. 



15. Eriogonum Tetraneuris Small. Dry mesas of Colorado. Alt. about 5000 

 ft. Bank of the Cimarron River; mesas near Pueblo. 



16. Eriogonum acaule Nutt. On dry hills from Wyo. and Ida. to Colo. 

 " Southwest Colorado." 



17. Eriogonum orthocaulum Small. Dry plains and hills from Alb. and Ida. 

 to Colo, and Nev. Rifle, Garfield Co. 



1 8. Eriogonum ovalifolium Nutt. Dry plains and hills from Mont, and 

 Wash, to N. M. and Calif. Alt. 6000-7000 ft. Mancos ; Grand Junction. 



19. Eriogonum ochroleucum Small. Dry rocky hills from Mont, and Ida. 

 to Colo, and Nev. Grand Junction. 



20. Eriogonum chrysocephalum A. Gray. (E. Kingii laxifolium T. & G. ; 

 E. laxifolium A. Nels.) Dry hills and plains of Neb., Wyo., Colo, and Utah. 

 "Southern Colorado" (Brandegee). 



21. Eriogonum multiceps Nees. Dry plains and "bad-lands" from N. D. 

 and Mont, to Neb. and Colo. Exact locality not given. 



22. Eriogonum coloradense Small. Mountain in Colo. Mt Harvard. 



23. Eriogonum pauciflorum Pursh. In sandy soil in Wyo. and Colo. Alt. 

 up to 9000 ft Middle Park; in low sandy valleys, North Park; North Fork, 

 Larimer Co. 



24. Eriogonum campanulatum Nutt. Dry hills and plains from Neb. and 

 Wyo. to Colo, and Utah." Colorado " (Parry) ; Middle Park. 



25. Eriogonum brevicaule Nutt. On dry plains from Mont, to Colo, and 

 Utah. Egeria Park; Elk River, Routt Co. 



26. Eriogonum lonchophyllum T. & G. On plains of N. M. and Colo. 

 Durango. 



27. Eriogonum nudicaule (Torr.) Small. (E. effusum nudicaule Torr.) 

 Plains from Kans. and Utah to Tex. Alt. about 7500 ft. Cimarron. 



28. Eriogonum scoparium Small. Plains of Colo, and N. M. Alt. 5000- 

 8000 ft. Vicinity of Gunnison; Denver; Durango; between Porter and 

 Durango. 



29. Eriogonum tristichum Small. Plains of Colo. Alt. 5000-9000 ft 

 Parlin, Gunnison Co. ; Mesa Verde ; Arboles ; Black Canon, Gunnison ; 

 Durango. 



30. Eriogonum salicinum Greene. Canon in Colo. Alt. about 7000 ft; 

 known only from type locality. Black Canons, near Gunnison. 



31. Eriogonum Fendlerianum (Benth.) Small. (E. microthecum Fendleri- 

 anum Benth.) Dry plains of Colo, and N. M. Alt about 5000 ft. Canon 

 City; Pueblo. 



32. Eriogonum divergens Small. (E. corymbosum divarlcatum Torr. ; not 

 . divaricatum Hook.) Dry plains from Colo, to Utah and Ariz. Green 

 River. 



33. Eriogonum corymbosum Benth. Dry plains of Colo. Alt. 5000-7000 ft 

 Along San Juan River; Grand River; Mancos. 



34. Eriogonum effusum Nutt. Dry plains from Mont, to Neb. and Colo. 

 Alt. 4000-8000 ft. Wahatoya Creek; Denver; Canon City; vicinity of 

 Boulder; Morrison; Golden; Buena Vista; Manitou; New Windsor, Weld 

 Co.; mesas, Cucharas Valley, near La Veta; Fort Collins; headwaters of 

 Clear Creek and alpine ridges east of Middle Park ; Salida ; Fort Collins ; 

 Table Rock; La Veta. 



